- related to: sikorsky helicopters
Igor Sikorsky who was born 1889, Kiev , Russian-born U.S. pioneer in aircraft design who is best known for his successful development of the helicopter .
3 Answers · Travel · 29/05/2011
... Russia so many educated and talented people: Igor Sikorsky (inventor of helicopter ), Vladimir Zworykin (one of the inventors of modern ...
2 Answers · Travel · 16/07/2012