Nikola Tesla was a person.
Nikola Tesla -LRB-   10 July 1856 -- 7 January 1943 -RRB- 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 -LRB- AC -RRB- electricity supply system .	Serbian-American	Serbian-American	electrical engineer	electrical engineer	mechanical engineer	mechanical engineering	physicist	physicist	futurist	futurist	alternating current	alternating current	electricity supply	electricity supply
