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Martin Luther King, Jr. (January 15, 1929 – April 4, 1968) was an American pastor, activist, humanitarian, and leader in the African-American Civil Ri …
Sir Isaac Newton PRS MP ( 25 December 1642 – 20 March 1727[1]) was an English physicist and mathematician (described in his own day as a "natural phil …
Nikola Tesla (Serbian Cyrillic: Никола Тесла; 10 July 1856 – 7 January 1943) was a Serbian American inventor, electrical engineer, mechanical engineer …