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- Guy Severin, designer of the first extra-vehicular activity supporting system
- Igor Sikorsky, inventor of airliner and strategic bomber (Ilya Muromets), father of modern helicopter, designer of the Sikorsky-series helicopters
- Boris Shavyrin, inventor of air-augmented rocket
- Boris Stechkin, co-developer of Sikorsky Ilya Muromets and Lebedenko's Tsar Tank, designer of many heat and aircraft engines
- Pavel Sukhoi, designer of the Su-series fighter aircraft
- Vladimir Syromyatnikov, designer of the Androgynous Peripheral Attach System
Read more about this topic: Russian Aerospace Engineers, Alphabetical List