Emil Ketterer

Emil Ketterer was a German physician and track and field athlete who competed in the 1912 Summer Olympics. Later in his life, he joined the Nazi Party and its paramilitary organization, the Sturmabteilung (SA). He was the chief of the SA Medical Office in the Supreme SA Leadership from 1933 to 1937 and rose to the rank of SA-Obergruppenführer. As a medical doctor, he was a strong advocate of the euthanasia of disabled persons carried out under the Nazi regime. He was the father-in-law of Hanns-Martin Schleyer, an SS officer and West German business executive who was murdered by the Red Army Faction in 1977.