Irma Grese
Irma Ida Ilse Grese (October 7th, 1923 – December 13th, 1945) was employed at the Nazi concentration camps of Ravensbrück and Auschwitz, and was a warden of the women's section of Bergen-Belsen. She tortured Jewish prisoners including Olga Lengyel who wrote of her experiences in her memoir, Five Chimneys. Irma was executed on December 13th, 1945 and has been variously nicknamed The Beast of Belsen, The Beautiful Beast, and Die Hyäne von Auschwitz (The Hyena of Auschwitz).