Irma Grese (1923-1945), called the dog of Auschwitz, she supervised Auschwitz and Bergen-Belsen concentration camp and was the assistant of Josef Mengele, here in a concentration camp, 40's [Getty Images]

UNSPECIFIED - NOVEMBER 22: Irma Grese (1923-1945), called the dog of Auschwitz, she supervised Auschwitz and Bergen-Belsen concentration camp and was the assistant of Josef Mengele, here in a concentration camp, 40's (Photo by Apic/Getty Images)