(1889–1972), Russian-born American aircraft designer; full name Igor Ivanovich Sikorsky. He built the first large four-engined aircraft, the Grand (1913), in his native country and went on to establish the Sikorsky company in the US. In 1939 he developed the first mass-produced helicopter.
Definition of Sikorsky, Igor in US English:
Sikorsky, Igor
proper nounsiˈkôrskē
(1889–1972), US aircraft designer, born in Russia; full name Igor Ivanovich Sikorsky. He built the Grand, the first large four-engined aircraft, in 1913. He went on to establish the Sikorsky company in the US and, in 1939, developed the first mass-produced helicopter.