14 of 43

“Sikorsky” (invented helicopter), c. 1930’s, vintage silver print, 11 x 14

Igor I. Sikorsky born 1889 in Kiev, Ukraine

Sikorsky's patents covered helicopter control and stability improvements.

The single rotor helicopter developed by Sikorsky represented a major breakthrough in helicopter technology.

Died: 1972

http://www.infoplease.com