Siegfried Knemeyer
Siegfried Knemeyer (5 April 1909 – 11 April 1979) was a German aeronautical engineer, aviator and the Head of Technical Development at the Reich Ministry of Aviation of Nazi Germany during World War II. == Early career == Knemeyer attended the Technische Hochschule Berlin, from which he graduated in 1933 with a dual major of theoretical experimental physics and aeronautical engineering. He was affiliated with the Academic Flying Group.