Nikola Tesla (/ˈtɛslə/; Serbian Cyrillic: Никола Тесла,[2] [nǐkola têsla];[a] 10 July [O.S. 28 June] 1856 – 7 January 1943) was a Serbian-American[5][6] inventor, electrical engineer, mechanical engineer, and futurist. He is best-known for his contributions to the design of the modern alternating current (AC) electricity supply system.[7] Born and raised in the Austrian Empire, Tesla first studied engineering and physics in the 1870s without receiving a degree. He then gained practical experi...