Josef Mengele (1911-1979) was a Nazi doctor who performed horrific pseudo-scientific experiments on detainees in the Auschwitz concentration camp where he was a medical officer from 1943 to 1945. Thousands...| World History Encyclopedia
The Gestapo was the secret political police organisation of Nazi Germany. Created in 1933, the Gestapo became one of the most feared instruments of state terror, its members having few or no legal restrictions...| World History Encyclopedia
Einsatzgruppen ('deployment groups') were secret Nazi killing units, who systematically sought out and murdered civilians identified as enemies of the Third Reich. Operating without any legal restrictions...| World History Encyclopedia