He was a German academician , legal expert and Nazi resistance fighter. He earned doctorate on international air travel from Tubingen in 1923.In 1933 he was posted to ministry of Aviation under Hermann Goerring. In 1935 ,he was head of legal dept. Later he was consultant General air office. He was the leader of Institution of Aviation at Freidrich William university that became center for anti Nazi activities.His publications , seminars and discussions were not liked by the Govt. After 20 July plot failure , he was arrested and tried on 2 Feb 1945 . He was sentenced to death and kept at Prison. Russians were entering Berlin And on 22/23 April 45, he was shot and killed along with fellow prisoners at Lehreter Prison exhibition grounds by the SS guards..