Auschwitz was really a group of camps, designated I, II, and III. There were also 40 smaller “satellite” camps. It was at Auschwitz II, at Birkenau, established in October 1941, that the SS created a complex, monstrously orchestrated killing ground: 300 prison barracks; four “bathhouses” in which prisoners were gassed; corpse cellars; and cremating ovens. Thousands of prisoners were also used for medical experiments overseen and performed by the camp doctor, Josef Mengele, the “Angel of Death.”
Read more on the originally published article here.