Erich Alfred "Bubi" Hartmann (19 April 1922 in Weissach – 20 September 1993 in Weil im Schönbuch) was a German flying ace in World War II. He was the flying ace with the most victories ever: 352 planes. After the war he spent ten years in Soviet prison camps. Later, he joined the West Germany Air Force. He had a conflict with his superiors in the West German Air Force. So he was forced to resign. After that, he worked as a flight instructor.