Rudolf Spanner (born 17 April 1895 in Metternich bei Koblenz; died 31 August 1960) was Director of the during World War II and Nazi party member (party membership ID 2733605). During the Second World War Spanner used human corpses in the creation of anatomical models for the institute, which after a soap-like byproduct from the model-creation process was presented in the Nuremberg trials as soap made from victims of the Holocaust, has led to numerous accusations against Spanner of crimes against humanity.