02 | The top echelon of the ‘Reich Main Security Office’ at a meeting on 9 November 1939 (from left: Franz Josef Huber/Chief of the Vienna Gestapo; Arthur Nebe/Chief of Department V; Heinrich Himmler/Reichsführer-SS and Chief of the German Police; Reinhard Heydrich/Chief of the RSHA; Heinrich Müller/Chief of Department IV)