Karl Genzken, German physician (d. 1957)
Karl August Genzken (born June 8, 1885 in Preetz, Schleswig-Holstein, Prussia – October 10, 1957 in Hamburg, Germany) was a Nazi physician who conducted human experiments on prisoners of several concentration camps. He was a Gruppenführer (Major General) of the Waffen-SS and the Chief of the Medical Office of the Waffen-SS. Genzken was tried as a war criminal in the Doctors' Trial at Nuremberg.