Paul Hausser
Despite having no formal staff officer training, Dietrich was, along with Paul Hausser, the highest-ranking officer in the Waffen-SS, the military branch of the SS. Reaching the rank of "Oberst-Gruppenführer", he commanded units up to army level during World War II. As commanding officer of the 6th Panzer Army during the Battle of the Bulge, Dietrich bore responsibility for the Malmedy massacre, the murder of U.S. prisoners of war in December 1944.