Heinrich Müller (28 April 1900; date of death unknown, but evidence points to May 1945) was a high-ranking German Schutzstaffel (SS) and police official during the Nazi era. For most of World War II in Europe, he was the chief of the Gestapo, the secret state police of Nazi Germany. Müller was central in the planning and execution of the Holocaust and attended the January 1942 Wannsee Conference, which formalised plans for deportation and genocide of all Jews in German-occupied Europe—otherwise known as the "Final Solution to the Jewish question". He was referenced as "Gestapo Müller" to distinguish him from another SS general named Heinrich Müller.