The designer of the Sikorsky S-3 won an award at the Moscow Aviation Exhibition in what year?
Sikorsky S-3 The Sikorsky S-3 was an early Russian single seat biplane design by Igor Sikorsky. Work on the machine started in July 1910 and was completed in late November.
Yevgeny Zababakhin Yevgeny Ivanovich Zababakhin Russian: Евгений Иванович Забабахин , January 16, 1917, Moscow, USSR – December 27, 1984) was a Soviet physicist, one of the chief designers of nuclear weapons in USSR, academician of the USSR Academy of Sciences, Eng. Lt. Gen. of Soviet Air Force. Lenin and Stalin Prizes (1949, 1951 and 1953, Hero of Socialist Labor (1953).