20. Paul Blobel
SS-Standartenführer Paul Blobel was responsible for killing 3,000 Jews in Zhytomyr ghetto and was heavily involved in Babi Yar massacre. Later in the war, he was in charge of covering the evidence of Nazi atrocities across Eastern Europe, by digging up mass graves and burning the victims’ remains. He was sentenced to death and hanged in 1951.