who is tesla?
Nikola Tesla (Serbian Cyrillic: Ð½Ð¸ÐºÐ¾Ð»Ð° ÑÐµÑÐ»Ð°; 10 July 1856 â 7 January 1943) was a Serbian-American inventor, electrical engineer, mechanical engineer, physicist, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.