German man remembered for being the last surviving participant of the failed July 1944 plot to assassinate Adolf Hitler. After World War II, he served as the convener of the Munich Conference on Security Policy from 1962 to 1998.
He became an infantry officer with the Wehrmacht at age eighteen.
He received the U.S. Department of Defense Medal for Distinguished Public Service in 1991.
He was married to Gundula von Kleist from 1960 until his death in 2013.
He planned to assassinate Adolf Hitler under the guise of presenting the dictator with newly-designed Nazi uniforms.