Full Name: Igor Sikorsky
Nationality: Russian (Ukrainian)-American
Why Famous: Designed and flew the world's first multi-engine fixed-wing aircraft and helicopter.
- 1913-05-13 1st four-engined aircraft built and flown (Igor Sikorsky, Russia)
- 1939-09-14 World’s 1st practical helicopter, the VS-300 designed by Igor Sikorsky takes (tethered) flight in Stratford, Connecticut
- 1940-05-26 1st successful helicopter flight in US: Vought-Sikorsky US-300 designed by Igor Sikorsky