Joseph Mengele, before he became known as 'The Doctor of Auschwitz' and 'The Angel of Death' for his pseudo-scientific experiments on inmates in Nazi...
{"Image ImageDescription": "circa 1940:  Joseph Mengele, before he became known as 'The Doctor of Auschwitz' and 'The Angel of Death' for his pseudo-scientific experiments on inmates in Nazi death camps.  (Photo by Keystone/Getty Images)"}