Detlev Ploog (29 November 1920 – 7 December 2005) was a German clinical psychiatrist, primate behavior researcher and anthropologist. He was a soldier in the Second World War, attained a doctorate in Heidelberg, was a director of Munich Max Planck Institute for Psychiatry and a professor at the University of Munich In addition he received the German Order of Merit (1980) and was a member of many years of a commission of the German Federal Ministry of the Interior. * v * t * e