Sergey Ilyushin, Russian engineer and businessman, founded the Ilyushin Design Company (b. 1894)
Sergey Vladimirovich Ilyushin (Russian: Серге́й Владимирович Илью́шин; 30 March [O.S. 18 March] 1894 – 9 February 1977) was a Soviet aircraft designer who founded the Ilyushin aircraft design bureau. He designed the Il-2 Shturmovik, which made its maiden flight in 1939. It is the most produced warplane, and remains the second most-produced aircraft in history, with some 36,000+ built, behind the US Cessna 172.