What ethnicity was the designer of the Heinkel HeS 3?
Heinkel HeS 3:  Designed by Hans von Ohain while working at Heinkel, the engine first flew as the primary power of the Heinkel He 178, piloted by Erich Warsitz on 27 August 1939. Hans von Ohain: Hans Joachim Pabst von Ohain (14 December 191113 March 1998) was a German physicist, the designer of the first "operational" jet engine.
German