Igor Sikorsky — American Aviator born on May 25, 1889, died on October 26, 1972
Igor Ivanovich Sikorsky, was a Russian American aviation pioneer in both helicopters and fixed-wing aircraft. He designed and flew the world's first multi-engine fixed-wing aircraft, the Russky Vityaz in 1913, and the first airliner, Ilya Muromets, in 1914... (wikipedia)