Nikola TeslaNikola TeslaComeniusComenius

Born on 10 July Born on 10 July 1856 in Smiljan1856 in Smiljan

He was an He was an inventor, inventor, mechanical mechanical engineer, and engineer, and electrical engineer electrical engineer

Died on 7 January Died on 7 January 1943 in New York1943 in New York

About his workAbout his work In addition to his work In addition to his work

on electromagnetism on electromagnetism and electromechanical and electromechanical engineering engineering

Tesla contributed in Tesla contributed in varying degrees to the varying degrees to the establishment of establishment of robotics, remote robotics, remote control, radar, and control, radar, and computer science, and computer science, and to the expansion of to the expansion of ballistics, nuclear ballistics, nuclear physics, and physics, and theoretical physics. theoretical physics.

InventionsInventions

He invented a He invented a rotating magnetic rotating magnetic field and field and polyphase polyphase system of system of alternating alternating currentscurrents..

He had a He had a theoretical theoretical invention of invention of ion-ion-propellerd propellerd aircraft.aircraft.

Tesla’s egg of Tesla’s egg of ColumbusColumbus

It was used to It was used to demonstrate and explain demonstrate and explain the principles of the the principles of the rotating magnetirotating magneticc field field model and the induction model and the induction motor. The egg spins on motor. The egg spins on itsits major axis, standingmajor axis, standing on end due toon end due to gyroscopic gyroscopic action. action.

Tesla’s biggest inventionTesla’s biggest invention Wardenclyffe TowerWardenclyffe Tower (1901– (1901–

1917) also known as the 1917) also known as the Tesla Tesla TowerTower, was an early wireless , was an early wireless telecommunications tower telecommunications tower designed by Nikola Tesla and designed by Nikola Tesla and intended for commercial trans-intended for commercial trans-Atlantic wireless telephony, Atlantic wireless telephony, broadcasting, and to broadcasting, and to demonstrate the transmission demonstrate the transmission of power without of power without interconnecting wires. The interconnecting wires. The core facility was not completed core facility was not completed due to financial problems and due to financial problems and was never fully operational.was never fully operational.

Tesla’s parentsTesla’s parents Tesla’s Tesla’s father Milutinfather Milutin was was

an Orthodox priest, and his an Orthodox priest, and his mother Georginamother Georgina Mandić( Mandić( called Đuka ) was called Đuka ) was uneducated but very uneducated but very intelligent. His family’s first intelligent. His family’s first last name was Draganić. last name was Draganić. One of the assumptions One of the assumptions was that Tesla’s family was that Tesla’s family carries a name after a carries a name after a Roman settlement Roman settlement TesleumTesleum locadet near the place locadet near the place called called RadučRaduč

Tesla childrenTesla children

One older brother One older brother ((DaneDane, who was , who was killed in a horse-killed in a horse-riding accident when riding accident when Nikola was five) and Nikola was five) and three sisters (three sisters (Milka, Milka, Angelina and Angelina and MaricaMarica). ).

Tesla’s educationTesla’s education He attended a german Primary school in He attended a german Primary school in

Smiljan, and ended it in Gospić. Then he Smiljan, and ended it in Gospić. Then he attended school at Higher Real Gymnasium attended school at Higher Real Gymnasium in Karlovac. He finished a four-year term in in Karlovac. He finished a four-year term in the span of three years. Tesla then studied the span of three years. Tesla then studied electrical engineering at the Austrian electrical engineering at the Austrian Polytechnic in Graz (1875). While there, he Polytechnic in Graz (1875). While there, he studied the uses of alternating current. Some studied the uses of alternating current. Some sources say he received Baccalaureate sources say he received Baccalaureate degrees from the university at Graz. degrees from the university at Graz. However, the university says that he did not However, the university says that he did not receive a degree and did not continue beyond receive a degree and did not continue beyond the first semester of his third year, during the first semester of his third year, during which he stopped attending lectures. which he stopped attending lectures.

Tesla was later persuaded Tesla was later persuaded by his father to attend the by his father to attend the Charles-Ferdinand Charles-Ferdinand University in Prague, University in Prague, which he attended for the which he attended for the summer term of 1880. summer term of 1880. Here, he was influenced Here, he was influenced by by Ernst MachErnst Mach. However, . However, after his father died, he after his father died, he left the university, having left the university, having completed only one term.completed only one term.

Tesla’s friendTesla’s friend

In middle age, Tesla became close In middle age, Tesla became close friends with friends with Mark TwainMark Twain. They . They spent a lot of time together in his lab spent a lot of time together in his lab and elsewhere. and elsewhere.

Animal-loverAnimal-lover Tesla was obsessed Tesla was obsessed

with pigeons, ordering with pigeons, ordering special seeds for thespecial seeds for the pigeonspigeons he fed in he fed in Central Park and even Central Park and even bringing injured ones bringing injured ones into his hotel room to into his hotel room to nurse them back to nurse them back to health. Tesla was an health. Tesla was an animal-lover, often animal-lover, often reflecting contentedly reflecting contentedly about a childhood cat, about a childhood cat, ""The Magnificent The Magnificent catcat" . " .

He did not like posing for He did not like posing for portraits, portraits, he did ithe did it only only once for princess Vilma once for princess Vilma Lwoff-ParlaghyLwoff-Parlaghy.. His wish His wish was to have a was to have a sculpturesculpture made by his friend, made by his friend, Croatian sculptor Croatian sculptor Ivan Ivan MeštrovićMeštrović, who was at , who was at that time in United that time in United States, but he died before States, but he died before getting a chance to see it. getting a chance to see it.

Tesla’s life in FranceTesla’s life in France In 1882 he moved to Paris, to In 1882 he moved to Paris, to

work as an engineer for the work as an engineer for the Continental Edison CompanyContinental Edison Company, , designing improvements to designing improvements to electric equipment brought electric equipment brought overseas from Edison's ideas. overseas from Edison's ideas. According to his According to his autobiography, in the same autobiography, in the same year he conceived the year he conceived the induction motor and began induction motor and began developing various devices developing various devices that use rotating magnetic that use rotating magnetic fields for which he received fields for which he received patents in 1888. patents in 1888.

Tesla’s life in the USTesla’s life in the US On 6 June 1884, Tesla first arrived in the On 6 June 1884, Tesla first arrived in the

United States, in New York City with little United States, in New York City with little besides a letter of recommendation from besides a letter of recommendation from Charles Batchelor, a former employer. In the Charles Batchelor, a former employer. In the letter of recommendation to Thomas Edison, letter of recommendation to Thomas Edison, Batchelor wrote, "I know two great men and Batchelor wrote, "I know two great men and you are one of them; the other is this young you are one of them; the other is this young man." Edison hired Tesla to work for his man." Edison hired Tesla to work for his Edison Machine WorksEdison Machine Works. Tesla's work for Edison . Tesla's work for Edison began with simple electrical engineering and began with simple electrical engineering and quickly progressed to solving some of the quickly progressed to solving some of the company's most difficult problems. Tesla was company's most difficult problems. Tesla was even offered the task of completely redesigning even offered the task of completely redesigning the Edison company's direct current the Edison company's direct current generators. generators.

Tesla’s companyTesla’s company The The Tesla Electric Light & Tesla Electric Light &

ManufacturingManufacturing was a company was a company formed by Nikola Tesla in 1886. formed by Nikola Tesla in 1886. Located in Rahway, New Jersey, the Located in Rahway, New Jersey, the company was formed after Tesla company was formed after Tesla left Thomas Edison's employment, left Thomas Edison's employment, after a contractual disagreement. after a contractual disagreement. Tesla planned to sell and license his Tesla planned to sell and license his patent and innovations. Tesla patent and innovations. Tesla invented an invented an arc lamp of high arc lamp of high efficiencyefficiency; the carbon electrodes ; the carbon electrodes were controlled by electromagnets were controlled by electromagnets or solenoids and a clutch or solenoids and a clutch mechanism and had an automatic mechanism and had an automatic fail switch. The company earned fail switch. The company earned money, but most of the capital money, but most of the capital gained went to the investors. gained went to the investors.

Tesla’s DeathTesla’s Death

Tesla Tesla dieddied of heart of heart failure alone in room 3327 failure alone in room 3327 of the New Yorker Hotel, of the New Yorker Hotel, on 7 January 1943. on 7 January 1943. Despite having sold his Despite having sold his AC electricity patents, AC electricity patents, Tesla died with significant Tesla died with significant debts. Later that year the debts. Later that year the US Supreme Court upheld US Supreme Court upheld Tesla's patent number Tesla's patent number 645576 in a ruling that 645576 in a ruling that served as the basis for served as the basis for patented radio technology patented radio technology in the United States.in the United States.

The urn with Tesla's ashes in Nikola Tesla Museum in Belgrade

Made by: Sara Ester Gredelj, Saša Made by: Sara Ester Gredelj, Saša Draganić, Ana Sučić,Sara Iličić, Draganić, Ana Sučić,Sara Iličić, Pavla Sedlanić, Hana Kuharski, Iva Pavla Sedlanić, Hana Kuharski, Iva PanićPanić