short essay about nikola tesla

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Nikola Tesla

By: History.com Editors

Updated: March 13, 2020 | Original: November 9, 2009

Serbian-American engineer and physicist Nikola Tesla (1856-1943) made dozens of breakthroughs in the production, transmission and application of electric power. He invented the first alternating current (AC) motor and developed AC generation and transmission technology. Though he was famous and respected, he was never able to translate his copious inventions into long-term financial success—unlike his early employer and chief rival, Thomas Edison.

Nikola Tesla’s Early Years

Nikola Tesla was born in 1856 in Smiljan, Croatia, then part of the Austro-Hungarian Empire. His father was a priest in the Serbian Orthodox church and his mother managed the family’s farm. In 1863 Tesla’s brother Daniel was killed in a riding accident. The shock of the loss unsettled the 7-year-old Tesla, who reported seeing visions—the first signs of his lifelong mental illnesses.

Did you know? During the 1890s Mark Twain struck up a friendship with inventor Nikola Tesla. Twain often visited him in his lab, where in 1894 Tesla photographed the great American writer in one of the first pictures ever lit by phosphorescent light.

Tesla studied math and physics at the Technical University of Graz and philosophy at the University of Prague. In 1882, while on a walk, he came up with the idea for a brushless AC motor, making the first sketches of its rotating electromagnets in the sand of the path. Later that year he moved to Paris and got a job repairing direct current (DC) power plants with the Continental Edison Company. Two years later he immigrated to the United States.

Nikola Tesla and Thomas Edison

Tesla arrived in New York in 1884 and was hired as an engineer at Thomas Edison’s Manhattan headquarters. He worked there for a year, impressing Edison with his diligence and ingenuity. At one point Edison told Tesla he would pay $50,000 for an improved design for his DC dynamos. After months of experimentation, Tesla presented a solution and asked for the money. Edison demurred, saying, “Tesla, you don’t understand our American humor.” Tesla quit soon after.

Nikola Tesla and Westinghouse

After an unsuccessful attempt to start his own Tesla Electric Light Company and a stint digging ditches for $2 a day, Tesla found backers to support his research into alternating current. In 1887 and 1888 he was granted more than 30 patents for his inventions and invited to address the American Institute of Electrical Engineers on his work. His lecture caught the attention of George Westinghouse, the inventor who had launched the first AC power system near Boston and was Edison’s major competitor in the “Battle of the Currents.”

Westinghouse hired Tesla, licensed the patents for his AC motor and gave him his own lab. In 1890 Edison arranged for a convicted New York murderer to be put to death in an AC-powered electric chair—a stunt designed to show how dangerous the Westinghouse standard could be.

Buoyed by Westinghouse’s royalties, Tesla struck out on his own again. But Westinghouse was soon forced by his backers to renegotiate their contract, with Tesla relinquishing his royalty rights.

In the 1890s Tesla invented electric oscillators, meters, improved lights and the high-voltage transformer known as the Tesla coil. He also experimented with X-rays, gave short-range demonstrations of radio communication two years before Guglielmo Marconi and piloted a radio-controlled boat around a pool in Madison Square Garden. Together, Tesla and Westinghouse lit the 1893 World’s Columbian Exposition in Chicago and partnered with General Electric to install AC generators at Niagara Falls , creating the first modern power station.

Nikola Tesla’s Failures, Death and Legacy

In 1895 Tesla’s New York lab burned, destroying years’ worth of notes and equipment. Tesla relocated to Colorado Springs for two years, returning to New York in 1900. He secured backing from financier J.P. Morgan and began building a global communications network centered on a giant tower at Wardenclyffe, on Long Island. But funds ran out and Morgan balked at Tesla’s grandiose schemes.

Tesla lived his last decades in a New York hotel, working on new inventions even as his energy and mental health faded. His obsession with the number three and fastidious washing were dismissed as the eccentricities of genius. He spent his final years feeding—and, he claimed, communicating with—the city’s pigeons.

Tesla died in his room on January 7, 1943. Later that year the U.S. Supreme Court voided four of Marconi’s key patents, belatedly acknowledging Tesla’s innovations in radio. The AC system he championed and improved remains the global standard for power transmission.

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Nikola Tesla

Amongst many inventors throughout the history of science, one of the most prominent inventors was Nikola Tesla. Nikola Tesla was an inventor, an electrical engineer and a mechanical engineer. Nikola Tesla was also a Serbian-American Engineer who was highly regarded for his achievements in energy for the advancement and growth of Alternating Current (AC) in electrical systems. He also provided his extraordinary contributions to electromagnetism and wireless radio communications.

Table of Contents

Introduction of nikola tesla, nikola tesla’s education, awards and achievements, contribution in alternating currents (ac).

• Tesla Turbine

Nikola Tesla was a mastermind inventor who shaped some ground-breaking inventions. He was an engineer who was awarded about 300 patents for his innovations in history. He also collaborated with many prominent names and companies in history.

Nikola Tesla was born on 10th July in 1856 to a priest father in the Croatian town of Smiljan (Austrian Empire).

Tesla’s inventions constitute significant technological breakthroughs throughout his lifetime. He invented the widely used Tesla coil and induction coil in radio technology. This math and physics genius made a substantial impact on our daily lives through his important innovations.

Tesla studied at several places in Europe, which also included Germany, Austria, and Prague. At the Austrian Polytechnic in Graz, he pursued electrical engineering, and later, joined the Charles-Ferdinand University in Prague.

He had the opportunity to go to Budapest in the late 1870s, where he worked at the Telephone Exchange. He made enhancements to some inventions and came up with an idea for the induction motor, which produced an alternating current system, and used electromagnetic induction from the magnetic field instead of electrical connections to the rotor.

At age 28, in 1884, he decided to move to the U.S., in search of more opportunities. Tesla met Thomas Edison in the U.S. Tesla worked alongside him for a couple of months. When Edison declined to pay Tesla for his work, Tesla decided to quit and pursue his journey as an inventor.

Tesla’s legacy holds nine decorations with certificates of honours with which the scientist was decorated between 1892 and 1939.

Nikola Tesla’s best-known invention was Alternating Current . AC power permits electricity to be sent over extended distances much more efficiently.

Tesla’s AC patents were accepted by Westinghouse and used for the lighting of the Chicago World’s Fair. Tesla’s apparent essential skill for invention and profound imagination made him one of the most prolific inventors of our times. Clearly, his genius was unmatched in his time and perhaps ours.

Perhaps the most well-known symbol of Tesla’s work is the Tesla coil. It is a transformer that produces high-voltage, low-current, high-frequency alternating-current electricity.

A Tesla coil comprises a primary coil and secondary coil, each coil with its own capacitor to store electrical energy. A spark gap links both the coils and capacitors. The system is powered by a high-voltage source. As the current flows out of the capacitor down the primary coil, a magnetic field is created.

This field breaks down quickly and produces an electric current in the secondary coil. The subsequent high-frequency voltage can lighten fluorescent bulbs several feet away with no wire connection.

Watch Video :Charging By Induction

Tesla revealed that he could use his coils to transmit and receive powerful radio signals before his lab burned down. Tuning those radio signals to resonate at the same frequency radio signals could be sent and received. He was ready to convey a signal 50 miles from his lab to West Point, New York, by early 1895. But the fire in Tesla’s lab demolished his work.

Guglielmo Marconi (inventor of the wireless telegraph system) established long-distance demonstrations in the future, and he used a Tesla oscillator to spread the signals across the English Channel.

Tesla Turbine and Induction Motor

As a way to make a change in the world, Tesla saw the growth of piston engines in the automobile industry. Therefore, Tesla developed his own turbine engine that used the combustion process to rotate the disks.

With 90% of fuel efficiency, this engine was a significant achievement.

Also, Nikola Tesla and Galileo Ferraris independently invented the first AC commutator-free three-phase induction motor in 1885, and it was Tesla who filed for a patent first. This type of motor is generally used in vacuums, blow dryers, and power tools, even today.

Frequently Asked Questions

Define alternating current..

Alternating current is an electric current that periodically reverses direction, in contrast to DC which flows in only one direction.

Where is Nikola Tesla Tower located?

Shoreham, Long Island, Newyork

Nikola Tesla was most famous for which inventions?

Tesla Coil, Alternating Current (AC) and discovery of rotating magnetic field.

What is a Tesla Coil?

A form of Induction coil used for producing high-frequency alternating currents.

Which principle is responsible for the working of induction motor?

Electromagnetic Induction.

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Biography Online

Nikola Tesla Biography

Nikola Tesla (1856–1943) was one of the greatest and most enigmatic scientists who played a key role in the development of electromagnetism and other scientific discoveries of his time. Despite his breathtaking number of patents and discoveries, his achievements were often underplayed during his lifetime.

Short Biography Nikola Tesla

Tesla was a bright student and in 1875 went to the Austrian Polytechnic in Graz. However, he left to gain employment in Marburg in Slovenia. Evidence of his difficult temperament sometimes manifested and after an estrangement from his family, he suffered a nervous breakdown. He later enrolled in the Charles Ferdinand University in Prague, but again he left before completing his degree.

During his early life, he experienced many periods of illness and periods of startling inspiration. Accompanied by blinding flashes of light, he would often visualise mechanical and theoretical inventions spontaneously. He had a unique capacity to visualise images in his head. When working on projects, he would rarely write down plans or scale drawings, but rely on the images in his mind.

In 1880, he moved to Budapest where he worked for a telegraph company. During this time, he became acquainted with twin turbines and helped develop a device that provided amplification for when using the telephone.

In 1882, he moved to Paris, where he worked for the Continental Edison Company. Here he improved various devices used by the Edison company. He also conceived the induction motor and devices that used rotating magnetic fields.

With a strong letter of recommendation, Tesla went to the United States in 1884 to work for the Edison Machine Works company. Here he became one of the chief engineers and designers. Tesla was given a task to improve the electrical system of direct current generators. Tesla claimed he was offered $50,000 if he could significantly improve the motor generators. However, after completing his task, Tesla received no reward. This was one of several factors that led to a deep rivalry and bitterness between Tesla and Thomas Edison . It was to become a defining feature of Tesla’s life and impacted his financial situation and prestige. This deep rivalry was also seen as a reason why neither Tesla or Edison was awarded a Nobel prize for their electrical discoveries.

Disgusted that he did not ever receive a pay rise, Tesla resigned, and for a short while, found himself having to gain employment digging ditches for the Edison telephone company.

In 1886, Tesla formed his own company, but it wasn’t a success as his backers didn’t support his faith in AC current.

In 1887, Tesla worked on a form of X-Rays. He was able to photograph the bones in his hand; he also became aware of the side-effects of using radiation. However, his work in this area gained little coverage, and much of his research was later lost in a fire at a New York warehouse.

“The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily taken up… His duty is to lay the foundation for those who are to come, and point the way.”

– Nikola Tesla,  Modern Mechanics and Inventions (July 1934)

In 1891, Tesla became an American citizen. This was also a period of great advances in electrical knowledge. Tesla demonstrated the potential for wireless energy transfer and the capacity for AC power generation. Tesla’s promotion of AC current placed him in opposition to Edison who sought to promote his Direct Current DC for electric power. Shortly before his death, Edison said his biggest mistake was spending so much time on DC current rather than the AC current Tesla had promoted.

In 1899, Tesla moved to Colorado Springs where he had the space to develop high voltage experiments. This included a variety of radio and electrical transmission experiments. He left after a year in Colorado Springs, and the buildings were later sold to pay off debts.

In 1900, Tesla began planning the Wardenclyffe Tower facility. This was an ambitious project costing $150,000, a fortune at the time.

In 1904, the US patent office reversed his earlier patent for the radio, giving it instead to G. Marconi . This infuriated Tesla who felt he was the rightful inventor. He began a long, expensive and ultimately unsuccessful attempt to fight the decision. Marconi went on to win the Nobel Prize for physics in 1909. This seemed to be a repeating theme in Tesla’s life: a great invention that he failed to personally profit from.

Nikola Tesla also displayed fluorescent lamps and single node bulbs.

Tesla was in many ways an eccentric and genius. His discoveries and inventions were unprecedented. Yet, he was often ostracised for his erratic behaviour (during his later years, he developed a form of obsessive-compulsive behaviour). He was not frightened of suggesting unorthodox ideas such as radio waves from extraterrestrial beings. His ideas, lack of personal finance and unorthodox behaviour put him outside the scientific establishment and because of this, his ideas were sometimes slow to be accepted or used.

“All that was great in the past was ridiculed, condemned, combated, suppressed — only to emerge all the more powerfully, all the more triumphantly from the struggle.”

– Nikola Tesla, A Means for Furthering Peace (1905)

Outside of science, he had many artistic and literary friends; in later life he became friendly with Mark Twain , inviting him to his laboratory. He also took an interest in poetry, literature and modern Vedic thought, in particular being interested in the teachings and vision of the modern Hindu monk, Swami Vivekananda . Tesla was brought up an Orthodox Christian, although he later didn’t consider himself a believer in the true sense. He retained an admiration for Christianity and Buddhism.

“For ages this idea has been proclaimed in the consummately wise teachings of religion, probably not alone as a means of insuring peace and harmony among men, but as a deeply founded truth. The Buddhist expresses it in one way, the Christian in another, but both say the same: We are all one.”

– Nikola Tesla,  The Problem of Increasing Human Energy (1900)

As well as considering scientific issues, Tesla was thoughtful about greater problems of war and conflict, and he wrote a book on the subject called   A Means for Furthering Peace (1905).  This expressed his views on how conflict may be avoided and humanity learn to live in harmony.

“What we now want most is closer contact and better understanding between individuals and communities all over the earth and the elimination of that fanatic devotion to exalted ideals of national egoism and pride, which is always prone to plunge the world into primeval barbarism and strife.”

– Nikola Tesla,  My Inventions (1919)

Personal life

Tesla was famous for working hard and throwing himself into his work. He ate alone and rarely slept, sleeping as little as two hours a day.  He remained unmarried and claimed that his chastity was helpful to his scientific abilities. In later years, he became a vegetarian, living on only milk, bread, honey, and vegetable juices.

Tesla passed away on 7 January 1943, in a New York hotel room.  He was 86 years old.

After his death, in 1960 the General Conference on Weights and Measures named the SI unit of magnetic field strength the Tesla in his honour.

Citation: Pettinger, Tejvan . “ Biography of Nikola Tesla” , Oxford, UK – www.biographyonline.net . Last updated 25th September 2017

Tesla: Inventor of the Electrical Age

Tesla: Inventor of the Electrical Age at Amazon

Tesla: The Man who invented the Twentieth Century

Key Inventions of Nikola Tesla

• Development in electromagnetism
• Theoretical work on Alternating Current (AC)
• Tesla Coil – magnifying transmitter
• Polyphase system of electrical distribution
• Patent for an early form of radio
• Wireless electrical transfer
• Devices for lightning protection
• Concepts for electrical vehicles

Important contributions in

• Early models of radar
• Remote control
• Nuclear physics

Related pages

Inventions that changed the world  – Famous inventions that made a great difference to the progress of the world, including aluminium, the telephone and the printing press.

External pages

• Tesla Museum

Biography of Nikola Tesla, Serbian-American Inventor

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Nikola Tesla (July 10, 1856–January 7, 1943) was a Serbian-American inventor, electrical engineer, and futurist. As the holder of nearly 300 patents, Tesla is best known for his role in developing the modern three-phase alternating current (AC) electric power supply system and for his invention of the Tesla coil, an early advancement in the field of radio transmission.

During the 1880s, Tesla and Thomas Edison , inventor and champion of direct electrical current (DC), would become embattled in the “War of the Currents” over whether Tesla’s AC or Edison’s DC would become the standard current used in long-distance transmission of electrical power.

Fast Facts: Nikola Tesla

• Known For: Development of alternating current (AC) electrical power
• Born: July 10, 1856 in Smiljan, Austrian Empire (modern-day Croatia)
• Parents: Milutin Tesla and Đuka Tesla
• Died: January 7, 1943 in New York City, New York
• Education: Austrian Polytechnic Institute in Graz, Austria (1875)
• Patents: US381968A —Electro-magnetic motor, US512,340A —coil for electro-magnets
• Awards and Honors : Edison Medal (1917), Inventor’s Hall of Fame (1975)
• Notable Quote : “If you want to find the secrets of the universe, think in terms of energy, frequency and vibration.”

Early Life and Education

Nikola Tesla was born on July 10, 1856, in the village of Smiljan in the Austrian Empire (now Croatia) to his Serbian father Milutin Tesla, an Eastern Orthodox priest, and his mother Đuka Tesla, who invented small household appliances and had the ability to memorize lengthy Serbian epic poems. Tesla credited his mother for his own interest in inventing and photographic memory. He had four siblings, a brother Dane, and sisters Angelina, Milka, and Marica. 

In 1870, Tesla started high school at the Higher Real Gymnasium in Karlovac, Austria. He recalled that his physics teacher’s demonstrations of electricity made him want “to know more of this wonderful force.” Able to do integral calculus in his head, Tesla completed high school in just three years, graduating in 1873.

Determined to pursue a career in engineering, Tesla enrolled at the Austrian Polytechnic Institute in Graz, Austria, in 1875. It was here that Tesla studied a Gramme dynamo, an electrical generator that produces direct current. Observing that the dynamo functioned like an electric motor when the direction of its current was reversed, Tesla began thinking of ways this alternating current could be used in industrial applications. Though he never graduated—as was not uncommon then—Tesla posted excellent grades and was even given a letter from the dean of the technical faculty addressed to his father stating, “Your son is a star of first rank.”

Feeling that chastity would help him focus on his career, Tesla never married or had any known romantic relationships. In her 2001 book, “ Tesla: Man Out of Time ,” biographer Margaret Cheney writes that Tesla felt himself to be unworthy of women, considering them to be superior to him in every way. Later in life, however, he publicly expressed strong dislike what he called the “new woman,” women he felt were abandoning their femininity in an attempt to dominate men.

The Path to Alternating Current

In 1881, Tesla moved to Budapest, Hungary, where he gained practical experience as the chief electrician at the Central Telephone Exchange. In 1882, Tesla was hired by the Continental Edison Company in Paris where he worked in the emerging industry of installing the direct current-powered indoor incandescent lighting system patented by Thomas Edison in 1879. Impressed by Tesla’s mastery of engineering and physics, the company’s management soon had him designing improved versions of generating dynamos and motors and fixing problems at other Edison facilities throughout France and Germany.

When the manager of the Continental Edison facility in Paris was transferred back to the United States in 1884, he asked that Tesla be brought to the U.S. as well. In June 1884, Tesla emigrated to the United States and went to work at the Edison Machine Works in New York City, where Edison’s DC-based electrical lighting system was fast becoming the standard. Just six months later, Tesla quit Edison after a heated dispute over unpaid wages and bonuses. In his diary, Notebook from the Edison Machine Works: 1884-1885 , Tesla marked the end of the amicable relationship between the two great inventors. Across two pages, Tesla wrote in large letters, “Good By to the Edison Machine Works.”

By March 1885, Tesla, with the financial backing of businessmen Robert Lane and Benjamin Vail, started his own lighting utility company, Tesla Electric Light & Manufacturing. Instead of Edison’s incandescent lamp bulbs, Tesla’s company installed a DC-powered arc lighting system he had designed while working at Edison Machine Works. While Tesla’s arc light system was praised for its advanced features, his investors, Lane and Vail, had little interest in his ideas for perfecting and harnessing alternating current. In 1886, they abandoned Tesla’s company to start their own company. The move left Tesla penniless, forcing him to survive by taking electrical repair jobs and digging ditches for $2.00 per day. Of this period of hardship, Tesla would later recall, “My high education in various branches of science, mechanics, and literature seemed to me like a mockery.”

During his time of near destitution, Tesla’s resolve to prove the superiority of alternating current over Edison’s direct current grew even stronger.

Alternating Current and the Induction Motor

In April 1887, Tesla, along with his investors, Western Union telegraph superintendent Alfred S. Brown and attorney Charles F. Peck, founded the Tesla Electric Company in New York City for the purpose of developing new types of electric motors and generators.

Tesla soon developed a new type of electromagnetic induction motor that ran on alternating current. Patented in May 1888, Tesla’s motor proved to be simple, dependable, and not subject to the constant need for repairs that plagued direct current-driven motors at the time.

In July 1888, Tesla sold his patent for AC-powered motors to Westinghouse Electric Corporation, owned by electrical industry pioneer George Westinghouse. In the deal, which proved financially lucrative for Tesla, Westinghouse Electric got the rights to market Tesla’s AC motor and agreed to hire Tesla as a consultant.

With Westinghouse now backing AC and Edison backing DC, the stage was set for what would become known as “The War of the Currents.”

The War of the Currents: Tesla vs. Edison

Recognizing the economic and technical superiority of alternating current to his direct current for long-distance power distribution, Edison undertook an unprecedently aggressive public relations campaign to discredit AC as posing a deadly threat to the public—a force should never allow in their homes. Edison and his associates toured the U.S. presenting grizzly public demonstrations of animals being electrocuted with AC electricity. When New York State sought a faster, “more humane” alternative to hanging for executing condemned prisoners, Edison, though once a vocal opponent of capital punishment, recommended using AC-powered electrocution. In 1890, murderer William Kemmler became the first person to be executed in a Westinghouse AC generator-powered electric chair that had been secretly designed by one of Edison’s salesmen.

Despite his best efforts, Edison failed to discredit alternating current. In 1892, Westinghouse and Edison’s new company General Electric, competed head-to-head for the contract to supply electricity to the 1893 World’s Fair in Chicago. When Westinghouse ultimately won the contract, the fair served as a dazzling public display of Tesla’s AC system.

On the tails of their success at the World’s Fair, Tesla and Westinghouse won a historic contract to build the generators for a new hydroelectric power plant at Niagara Falls. In 1896, the power plant began delivering AC electricity to Buffalo, New York, 26 miles away. In his speech at the opening ceremony of the power plant, Tesla said of the accomplishment, “It signifies the subjugation of natural forces to the service of man, the discontinuance of barbarous methods, the relieving of millions from want and suffering.”

The success of the Niagara Falls power plant firmly established Tesla’s AC as the standard for the electric power industry, effectively ending the War of the Currents.

The Tesla Coil

In 1891, Tesla patented the Tesla coil, an electrical transformer circuit capable of producing high-voltage, low-current AC electricity. Though best-known today for its use in spectacular, lightening-spitting demonstrations of electricity, the Tesla coil was fundamental to the development of wireless communications. Still used in modern radio technology, the Tesla coil inductor was an essential part of many early radio transmission antennas.

Tesla would go on to use his Tesla coil in experiments with radio remote control, fluorescent lighting , x-rays , electromagnetism , and universal wireless power transmission. 

On July 30, 1891, the same year he patented his coil, the 35-year-old Tesla was sworn in as a naturalized United States citizen.

Radio Remote Control

At the 1898 Electrical Exposition in Boston’s Madison Square Gardens, Tesla demonstrated an invention he called a “telautomaton,” a three-foot-long, radio-controlled boat propelled by a small battery-powered motor and rudder. Members of the amazed crowd accused Tesla of using telepathy, a trained monkey, or pure magic to steer the boat.

Finding little consumer interest in radio-controlled devices, Tesla tried unsuccessfully to sell his “Teleautomatics” idea to the US Navy as a type of radio-controlled torpedo. However, during and after World War I (1914-1918), the militaries of many countries, including the United States incorporated it.

Wireless Power Transmission

From 1901 through 1906, Tesla spent most of his time and savings working on arguably his most ambitious, if a far-fetched, project—an electrical transmission system he believed could provide free energy and communications throughout the world without the need for wires. 

In 1901, with the backing of investors headed by financial giant J. P. Morgan, Tesla began building a power plant and massive power transmission tower at his

Wardenclyffe laboratory on Long Island, New York. Seizing on the then commonly-held belief that the Earth’s atmosphere conducted electricity, Tesla envisioned a globe-spanning network of power transmitting and receiving antennas suspended by balloons 30,000 feet (9,100 m) in the air. 

However, as Tesla’s project drug on, its sheer enormity caused his investors to doubt its plausibility and withdraw their support. With his rival, Guglielmo Marconi—enjoying the substantial financial support of steel magnate Andrew Carnegie and Thomas Edison—was making great advances in his own radio transmission developments, Tesla was forced to abandon his wireless power project in 1906.

Later Life and Death

In 1922, Tesla, deeply in debt from his failed wireless power project, was forced to leave the Waldorf Astoria hotel in New York City where he had been living since 1900, and move into the more-affordable St. Regis Hotel. While living at the St. Regis, Tesla took to feeding pigeons on the windowsill of his room, often bringing weak or injured birds into his room to nurse them back to health.

Of his love for one particular injured pigeon, Tesla would write, “I have been feeding pigeons, thousands of them for years. But there was one, a beautiful bird, pure white with light grey tips on its wings; that one was different. It was a female. I had only to wish and call her and she would come flying to me. I loved that pigeon as a man loves a woman, and she loved me. As long as I had her, there was a purpose to my life.”

By late 1923, the St. Regis evicted Tesla because of unpaid bills and complaints about the smell from keeping pigeons in his room. For the next decade, he would live in a series of hotels, leaving behind unpaid bills at each. Finally, in 1934, his former employer, Westinghouse Electric Company, began paying Tesla $125 per month as a “consulting fee,” as well as paying his rent at the Hotel New Yorker.

In 1937, at age 81, Tesla was knocked to the ground by a taxicab while crossing a street a few blocks from the New Yorker. Though he suffered a severely wrenched back and broken ribs, Tesla characteristically refused extended medical attention. While he survived the incident, the full extent of his injuries, from which he never fully recovered, was never known.

On January 7, 1943, Tesla died alone in his room at the New Yorker Hotel at the age of 86. The medical examiner listed the cause of death as coronary thrombosis, a heart attack.

On January 10, 1943, New York City mayor Fiorello La Guardia delivered a eulogy to Tesla broadcast live over WNYC radio. On January 12, over 2,000 people attended Tesla’s funeral at the Cathedral of Saint John the Divine. Following the funeral, Tesla’s body was cremated at Ferncliff Cemetery in Ardsley, New York.

With the United States then fully engaged in World War II ., fears that the Austrian-born inventor might have been in possession of devices or designs helpful to Nazi Germany , drove the Federal Bureau of Investigation to seize Tesla’s possessions after his death. However, the FBI reported finding nothing of interest, concluding that since about 1928, Tesla’s work had been “primarily of a speculative, philosophical, and somewhat promotional character often concerned with the production and wireless transmission of power; but did not include new, sound, workable principles or methods for realizing such results.”

In his 1944 book, Prodigal Genius: The Life of Nikola Tesla , journalist, and historian John Joseph O’Neill wrote that Tesla claimed to have never slept more than two hours per night, “dozing” during the day instead to “recharge his batteries.” He was reported to have once spent 84 straight hours without sleep working in his laboratory.

It is believed that Tesla was granted around 300 patents worldwide for his inventions during his lifetime. While several of his patents remain unaccounted for or archived, he holds at least 278 known patents in 26 countries, mostly in the United States, Britain, and Canada. Tesla never attempted to patent many of his other inventions and ideas.

Today, Tesla’s legacy can be seen in multiple forms of popular culture, including movies, TV, video games and several genres of science fiction. For example, in the 2006 movie The Prestige, David Bowie portrays Tesla developing an amazing electro-replicating device for a magician. In Disney’s 2015 film Tomorrowland: A World Beyond, Tesla helps Thomas Edison, Gustave Eiffel , and Jules Verne discover a better future in an alternate dimension. And in the 2019 film The Current War, Tesla, played by Nicholas Hoult, squares off with Thomas Edison, played by Benedict Cumberbatch, in a history-based depiction of the war of the currents.

In 1917, Tesla was awarded the Edison Medal, the most coveted electrical prize in the United States, and in 1975, Tesla was inducted into the Inventor’s Hall of Fame. In 1983, the United States Postal Service issued a commemorative stamp honoring Tesla. Most recently, in 2003, a group of investors headed by engineer and futurist Elon Musk founded Tesla Motors, a company dedicated to producing the first car fittingly powered totally by Tesla’s obsession—electricity.

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• O’Neill, John J. “Prodigal Genius: The Life of Nikola Tesla.” Cosimo Classics, 2006.
• History's 15 Most Famous Inventors
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• All About Wireless Electricity
• George Westinghouse's Influence on Electricity
• Timeline of Electronics
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• Reginald Fessenden and the First Radio Broadcast
• Death, Money, and the History of the Electric Chair
• Significant Eras of the American Industrial Revolution
• What Is an Electrical Current?
• The History of Radio Technology
• Biography of Guglielmo Marconi, Italian Inventor and Electrical Engineer
• Thomas Edison's Greatest Inventions
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• Biography of Thomas Edison, American Inventor
• History of Electricity

The Extraordinary Life of Nikola Tesla

The eccentric inventor and modern Prometheus died 75 years ago, after a rags-to-riches to rags life

Richard Gunderman, The Conversation

Match the following figures – Albert Einstein, Thomas Edison, Guglielmo Marconi, Alfred Nobel and Nikola Tesla – with these biographical facts:

• Spoke eight languages
• Produced the first motor that ran on AC current
• Developed the underlying technology for wireless communication over long distances
• Held approximately 300 patents
• Claimed to have developed a “superweapon” that would end all war

The match for each, of course, is Tesla. Surprised? Most people have heard his name, but few know much about his place in modern science and technology .

The 75th anniversary of Tesla’s death on Jan. 7 provides a timely opportunity to review the life of a man who came from nowhere yet became world famous; claimed to be devoted solely to discovery but relished the role of a showman; attracted the attention of many women but never married; and generated ideas that transformed daily life and created multiple fortunes but died nearly penniless.

Early years

Tesla was born in Croatia on a summer night in 1856, during what he claimed was a lightning storm – which led the midwife to say, “He will be a child of the storm,” and his mother to counter prophetically, “No, of the light.”* As a student, Tesla displayed such remarkable abilities to calculate mathematical problems that teachers accused him of cheating. During his teen years, he fell seriously ill, recovering once his father abandoned his demand that Nikola become a priest and agreed he could attend engineering school instead.

Although an outstanding student, Tesla eventually withdrew from polytechnic school and ended up working for the  Continental Edison Company , where he focused on electrical lighting and motors. Wishing to meet Edison himself, Tesla immigrated to the U.S. in 1884, and he later claimed he was offered the sum of US$50,000 if he could solve a series of engineering problems Edison’s company faced. Having achieved the feat, Tesla said he was then told that the offer had just been a joke, and he left the company after six months.

Tesla then developed a relationship with two businessmen that led to the founding of  Tesla Electric Light and Manufacturing . He filed a number of electrical patents, which he assigned to the company. When his partners decided that they wanted to focus strictly on supplying electricity, they took the company’s intellectual property and founded another firm, leaving Tesla with nothing.

Tesla reported that he then  worked as a ditch digger  for $2 a day, tortured by the sense that his great talent and education were going to waste.

Success as an inventor

In 1887, Tesla met two investors who agreed to back the formation of the Tesla Electric Company. He set up a laboratory in Manhattan, where he developed the  alternating current induction motor , which solved a number of technical problems that had bedeviled other designs. When Tesla demonstrated his device at an engineering meeting, the Westinghouse Company made arrangements to license the technology, providing an upfront payment and royalties on each horsepower generated.

The so-called “ War of the Currents ” was raging in the late 1880s. Thomas Edison promoted direct current, asserting that it was safer than AC. George Westinghouse backed AC, since it could transmit power over long distances. Because the two were undercutting each other’s prices, Westinghouse lacked capital. He explained the difficulty and asked Tesla to sell his patents to him for a single lump sum, to which Tesla agreed, forgoing what would have been a vast fortune had he held on to them.

With the  World’s Columbian Exposition  of 1893 looming in Chicago, Westinghouse asked Tesla to help supply power; they’d have a huge platform for demonstrating the merits of AC. Tesla helped the fair illuminate more light bulbs than could be found in the entire city of Chicago, and wowed audiences with a variety of wonders, including an electric light that required no wires. Later Tesla also helped Westinghouse win a contract to generate electrical power at  Niagara Falls , helping to build the first large-scale AC power plant in the world.

Challenges along the way

Tesla encountered many obstacles. In 1895, his Manhattan laboratory was devastated by a fire, which destroyed his notes and prototypes. At Madison Square Garden in 1898, he demonstrated  wireless control  of a boat, a stunt that many branded a hoax. Soon after he turned his attention to the wireless transmission of electric power. He believed that his system could not only distribute electricity around the globe but also provide for worldwide wireless communication.

Seeking to test his ideas, Tesla built a laboratory in  Colorado Springs . There he once drew so much power that he caused a regional power outage. He also detected signals that he claimed emanated from an extraterrestrial source. In 1901 Tesla persuaded J.P. Morgan to invest in the construction of a  tower on Long Island  that he believed would vindicate his plan to electrify the world. Yet Tesla’s dream did not materialize, and Morgan soon withdrew funding.

In 1909,  Marconi received the Nobel Prize  for the development of radio. In 1915, Tesla unsuccessfully sued Marconi, claiming infringement on his patents. That same year,  it was rumored  that Edison and Tesla would share the Nobel Prize, but it didn’t happen. Unsubstantiated speculation suggested their mutual animosity was the cause. However, Tesla did receive numerous honors and awards over his life, including, ironically, the American Institute of Electrical Engineers  Edison Medal .

A singular man

Tesla was a  remarkable person . He said that he had a photographic memory, which helped him memorize whole books and speak eight languages. He also claimed that many of his best ideas came to him in a flash, and that he saw detailed pictures of many of his inventions in his mind before he ever set about constructing prototypes. As a result, he didn’t initially prepare drawings and plans for many of his devices.

The 6-foot-2-inch Tesla cut a dashing figure and was popular with women, though he never married, claiming that his  celibacy played an important role in his creativity . Perhaps because of his nearly fatal illness as a teenager, he feared germs and practiced very strict hygiene, likely a barrier to the development of interpersonal relationships. He also exhibited unusual phobias, such as an aversion to pearls, which led him to refuse to speak to any woman wearing them.

Tesla held that his greatest ideas came to him in solitude. Yet he was no hermit, socializing with many of the most  famous people of his day  at elegant dinner parties he hosted. Mark Twain frequented his laboratory and promoted some of his inventions. Tesla enjoyed a reputation as not only a great engineer and inventor but also a philosopher, poet and connoisseur. On his 75th birthday he received a congratulatory letter from Einstein and was featured on the cover of Time magazine.

Tesla’s last years

In the popular imagination, Tesla played the part of a mad scientist . He claimed that he had developed a motor that ran on cosmic rays; that he was working on a new non-Einsteinian physics that would supply a new form of energy; that he had discovered a new technique for photographing thoughts; and that he had developed a new ray, alternately labeled the death ray and the peace ray, with vastly greater military potential than Nobel’s munitions.

His money long gone, Tesla spent his later years moving from place to place, leaving behind unpaid bills. Eventually, he settled in at a New York hotel, where his rent was paid by Westinghouse. Always living alone, he frequented the local park, where he was regularly seen feeding and tending to the pigeons , with which he claimed to share a special affinity. On the morning of Jan. 7, 1943, he was found dead in his room by a hotel maid at age 86.

Today the name Tesla is still very much in circulation. The airport in Belgrade bears his name, as does the world’s best-known electric car, and the magnetic field strength of MRI scanners is measured in Teslas. Tesla was a real-life Prometheus: the mythical Greek titan who raided heaven to bring fire to mankind, yet in punishment was chained to a rock where each day an eagle ate his liver. Tesla scaled great heights to bring lightning down to earth, yet his rare cast of mind and uncommon habits eventually led to his downfall, leaving him nearly penniless and alone.

*Editor's Note, August 29, 2019: This article has been updated to correct Tesla's birthplace. Though he was of Serbian ethnicity, he was born in present day Croatia.

Richard Gunderman, Chancellor's Professor of Medicine, Liberal Arts, and Philanthropy, Indiana University

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Nikola Tesla: Biography, Inventions & Quotes

Nikola Tesla is often called one of history’s most important inventors, one whose discoveries in the field of electricity were way ahead of his time and continue to influence technology today. Despite his accomplishments, however, Tesla died penniless and without the accolades that would he would ultimately earn over a century later.

The “genius who lit the world” is now commemorated with an electrical unit called the Tesla, has a place in the inventor’s hall of fame, streets, statues, and a prestigious engineer’s award in his name, but in life he wasn’t always so successful.

Brilliant scientist, terrible businessman

Nikola Tesla was born in 1856 in a town called Smiljan, today part of Croatia but then located within the borders of the Austro-Hungarian Empire. His father was a priest and his mother, despite not having any formal education, tinkered in machinery and was known for having a spectacular memory.

Tesla’s career as an inventor began early; while working at the Central Telegraph Office in Budapest, at the age of just 26, he is reported to have first sketched out the principles for a rotating magnetic field — an important idea still used in many electromechanical devices. This major achievement laid the groundwork for many of his future inventions, including the alternating current motor and ultimately led him to New York City in 1884, lured by Thomas Edison and his groundbreaking engineering factory, Edison Machine Works.

It is often said that as brilliant a scientist as Tesla was, he was an equally terrible businessman, unable (or possibly unwilling) to see the commercial value behind his ideas. Thomas Edison was both an inventor and a business mogul focused on the bottom line, and he often clashed with Tesla over methods and ideology. It was also unlikely, perhaps, that two minds so brilliant could coexist in peace for very long and, indeed, Tesla quit Edison Machine Works only a year later.

Tesla’s creativity was given free rein at the new laboratory he established, Tesla Electric Light and Manufacturing, where he experimented with early X-ray technology, electrical resonance, arc lamps and other ideas. Moves to Colorado and then back to New York coincided with other great scientific feats, including advances in turbine science, the installation of the first hydroelectric power station at Niagara Falls and, most importantly, the perfection of his alternating current system.

Through it all, the compulsive, eccentric and often sensational Tesla provided terrific sound bites for reporters, speaking frequently to the press about new, futuristic ideas up to a few years before his death, when he became a recluse. Tesla died in 1943, broke and alone in a New York City hotel room.

Tesla’s legacy has experienced a resurgence of sorts in recent years, thanks to a handful of supporters who have popularized his work in the media, in the hopes of having a Nikola Tesla science museum built on the grounds of a former laboratory on Long Island, New York.

Innumerable patents

The exact number of patents held by Tesla is disputed, as some likely remain undiscovered, historians believe. He is thought to be responsible for at least 300 inventions (many related to each other), in addition to countless unpatented ideas that he developed over the course of his career.

Alternating current

Perhaps Tesla’s most famous and important idea, alternating current (AC), was an answer to his old boss Edison’s inefficient — as Tesla put it — use of direct current (DC) in the new electric age. While DC power stations sent electricity flowing in one direction in a straight line, alternating currents change direction quickly, and could do so at a much higher voltage.

Indeed, Edison’s power lines that crisscrossed the Atlantic seaboard were short and weak due to DC, while AC was able to send electricity much farther afield. Though Thomas Edison had more resources and an established reputation, Tesla’s AC power grids eventually became the norm. Several dozen of Tesla’s patents were related to alternating current science.

The Tesla Coil

Since named for its inventor, this impressive machine transforms energy into extremely high voltage charges, creating powerful electrical fields capable of producing spectacular electrical arcs. Besides the lightning-bolt shows they can put on, Tesla Coils had very practical applications in wireless radio technology and some medical devices. Tesla experimented with his coils in the last years of the 19th century.

The true father of radio

Tesla tinkered with radio waves as early as 1892, debuting a radio wave-controlled boat in 1898 with great fanfare at an electrical exhibition at New York’s Madison Square Garden. Expanding on the technology, he patented more than a dozen ideas related to radio communication, before Italian inventor Guglielmo Marconi leapt ahead of a financially unstable Tesla and completed the first transatlantic radio transmission (a bit of Morse code, sent from England to Newfoundland) on the back of Tesla’s science. Marconi and Tesla’s battle for intellectual recognition waged for decades before the U.S. Supreme Court ultimately revoked some of Marconi’s patents in 1943, restoring Tesla as the father of radio, at least legally.

Tesla quotes

“Money does not represent such a value as men have placed upon it. All my money has been invested into experiments with which I have made new discoveries enabling mankind to have a little easier life.” — "A Visit to Nikola Tesla" by Dragislav L. Petković in Politika (April 1927)

“The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily taken up. His work is like that of the planter — for the future. His duty is to lay the foundation for those who are to come, and point the way. He lives and labors and hopes.” — “Radio Power Will Revolutionize the World" in Modern Mechanics and Inventions (July 1934)

“The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.” — “Radio Power Will Revolutionize the World" in Modern Mechanics and Inventions (July 1934)

Further reading:

• Tesla Memorial Society

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• Copy URL https://www.pbs.org/newshour/science/5-things-you-didnt-know-about-nikola-tesla

8 Things You Didn’t Know About Nikola Tesla

In honor of inventor Nikola Tesla ‘s 157th birthday, we’ve turned to two Tesla experts and historians to help us compile a list of interesting facts you probably never knew about the guy. The information below comes from interviews with W. Bernard Carlson , author of “Tesla: Inventor of the Electrical Age,” and Marc Seifer , author of “Wizard: Life and Times of Nicola Tesla.”

1. HE WAS BORN DURING A LIGHTNING STORM

Nikola Tesla was born around midnight, between July 9 and July 10, 1856 during a fierce lightning storm. According to family legend, midway through the birth, the midwife wrung her hands and declared the lightning a bad omen. This child will be a child of darkness, she said, to which his mother replied: “No. He will be a child of light.”

2. HE WAS REALLY FUNNY

Most people don’t know that Tesla had a terrific sense of humor, Seifer said. For example, after dining with writer and poet Rudyard Kipling, he wrote this in a correspondence to a close friend:

April 1, 1901 My dear Mrs. Johnson, What is the matter with inkspiller Kipling? He actually dared to invite me to dine in an obscure hotel where I would be sure to get hair and cockroaches in the soup. Yours truly, N. Tesla

3. HE AND EDISON WERE RIVALS, BUT NOT SWORN ENEMIES

Many have characterized Tesla and inventor Thomas Edison as enemies (see this and this ,) but Carlson says this relationship has been misrepresented. Early in his career, Tesla worked for Edison, designing direct current generators, but famously quit to pursue his own project: the alternating current induction motor. Sure, they were on different sides of the so-called “Current Wars,” with Edison pushing for direct current and Tesla for alternating current. But Carlson considers them the Steve Jobs and Bill Gates of their time: one the brilliant marketer and businessman and the other a visionary and “tech guy.”

On a rare occasion, Edison attended a conference where Tesla was speaking. Edison, hard of hearing and not wanting to be spotted, slipped into the back of the auditorium to listen to the lecture. But Tesla spotted Edison in the crowd, called attention to him and led the audience in giving him a standing ovation.

Seifer qualifies it more, saying the two had a love/hate relationship. At first Edison dismissed Tesla, but came to eventually respect him, he said.

“When there were fires at Tesla’s laboratory, Edison provided him a lab, so clearly there was some mutual respect,” Seifer said

4. HE DEVELOPED THE IDEA FOR SMARTPHONE TECHNOLOGY IN 1901

Tesla may have had a brilliant mind, but he was not as good at reducing his ideas to practice, Carlson said. In the race to develop transatlantic radio, Tesla described to his funder and business partner, J.P. Morgan, a new means of instant communication that involved gathering stock quotes and telegram messages, funneling them to his laboratory, where he would encode them and assign them each a new frequency. That frequency would be broadcast to a device that would fit in your hand, he explained. In other words, Tesla had envisioned the smart phone and wireless internet, Carlson said, adding that of all of his ideas, that was the one that stopped him in his tracks.

This tesla coil snuffed out the power in Colorado Springs when this photo was taken. Photo by Dickenson V. Alley, photographer at the Century Magazines via Wikimedia Commons.

“He was the first to be thinking about the information revolution in the sense of delivering information for each individual user,” Carlson said.

He also conceived of, but never developed technology for radar, X-rays, a particle beam “death ray” and radio astronomy.

5. ‘HE SHOOK THE POOP OUT OF MARK TWAIN’

One famous legend surrounding the eccentric Tesla was that he had an earthquake machine in his Manhattan laboratory that shook his building and nearly brought down the neighborhood during experiments.

Tesla’s device wasn’t actually an earthquake machine, Carlson said, but a high frequency oscillator. A piston set underneath a platform in the laboratory shook violently as it moved, another experiment in more efficient electricity.

It didn’t bring the block to ruins, Carlson said, but it did “shake the poop out of Mark Twain.” Twain was known for having digestive problems, so Tesla, who knew Twain through their gentlemen’s club, invited him over. He instructed Twain to stand on the platform while he flipped on the oscillator. After about 90 seconds, Twain jumped off the platform and ran for the facilities.

6. HE HAD FAMOUS FRIENDS

People aren’t aware that he was close friends with conservationist John Muir, Seifer said. Muir, one of the founders of the Sierra Club, loved that Tesla’s hydroelectric power system was a clean energy system. It runs on waterfalls, which Tesla referred to as “running on the wheelwork of nature.” Also among his friends: financiers Henry Clay Frick and Thomas Fortune Ryan. “He lived in the Waldorf Astoria, at the height of the gilded age,” Seifer said, adding that his fame later in life lessened.

7. PEARLS DROVE HIM CRAZY

Tesla could not stand the sight of pearls, to the extent that he refused to speak to women wearing them. When his secretary wore pearl jewelry, he sent her home for the day. No one knows why he had such an aversion, but Tesla had a very particular sense of style and aesthetics, Carlson said, and believed that in order to be successful, one needed to look successful. He wore white gloves to dinner every night and prided himself on being a “dapper dresser.”

Every photograph of Tesla, he said, is very carefully constructed to capture his “good side.”

8. HE HAD A PHOTOGRAPHIC MEMORY AND A FEAR OF GERMS

Tesla had what’s known as a photographic memory. He was known to memorize books and images and stockpile visions for inventions in his head. He also had a powerful imagination and the ability to visualize in three dimensions, which he used to control the terrifying vivid nightmares he suffered from as a child. It’s in part what makes him such a mystical and eccentric character in popular culture, Carlson said. He was also known for having excessive hygiene habits, born out of a near-fatal bout of cholera as a teenager.

Jenny Marder contributed to this report.

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Home — Essay Samples — Science — Nikola Tesla — The Life and Achievements of Nikola Tesla a Scientist and Inventor

The Life and Achievements of Nikola Tesla a Scientist and Inventor

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