Known as Angel of Death, Dr. Josef Mengele was the chief doctor of Auschwitz concentration camp and was responsible for killing thousands of Jews as well as torturing the prisoners mercilessly and conducting inhuman experiments on them. These included injecting them with chemicals and stitching twin children together. Despite his horrible crimes, the infamous Nazi doctor could never be captured.
Irma Grese, or the Hyena of Auschwitz, served as an SS guard at the Nazi concentration camps of Auschwitz and Ravensbrück. She was also the warden of the ladies’ section of the Bergen-Belsen camp and ended up being convicted of torture and murder of prisoners. She was executed at 22.
Rudolf Höss was a German SS officer who was convicted of war crimes after the defeat of Nazi Germany. The longest-serving commandant of the Auschwitz extermination camp, Höss implemented means to accelerate the Final Solution, a Nazi plan for the genocide of Jews. Upon his order, pesticide Zyklon B was used in gas chambers, killing millions of people.
Hitler’s legal advisor Hans Frank was made the governor-general of Poland after World War II broke out. Known as the Butcher of Poland for his atrocities against the Jews, he was hanged at the end of the Nuremberg Trials. He penned his autobiography while awaiting his execution.
Oskar Groening was a German SS Unterscharführer at the Auschwitz concentration camp. He was in charge of counting and sorting the money retrieved from the prisoners arriving at the camp. At the end of the war, he surrendered to the British and was transferred to Britain as a prisoner of war. Years later, he was named a war criminal.
While Wilhelm Canaris became one of Hitler’s most trusted secret agents, he was actually supplying information to Britain all along. He went down in history as a man who was hanged twice for treason, first as part of torture for a few moments, and then for good.
12 Klaus Barbie
Klaus Barbie was a Gestapo and SS official during the Nazi era. Dubbed the Butcher of Lyon, Barbie was known for having tortured prisoners of the Gestapo while stationed in Lyon, France. It is also believed that he played a major role in the execution of Che Guevara. Barbie's life and work inspired the 2007 documentary film My Enemy's Enemy.
13 Karl Brandt
Karl Brandt was a German physician. He served as a Schutzstaffel (SS) officer in Nazi Germany and became Adolf Hitler's personal doctor. He organized and administered the Aktion T4 euthanasia program, in which between 275,000 and 300,000 people were killed in psychiatric hospitals. He was later executed for committing war crimes and crimes against humanity.
14 Ernst Röhm
Regarded by Hitler as a potential rival, Röhm was murdered at the Führer’s order. Ernst Röhm was a prominent German military officer and an early member of the Nazi Party. He was wounded thrice in World War I and was briefly imprisoned for his part in the Beer Hall Putsch.
Martin Bormann was a Nazi Party official. Bormann headed the Nazi Party Chancellery, and gained immense power after he was accepted into Adolf Hitler's inner circle. In 1935, he became Hitler's personal secretary and served as the minister of the Nazi Party after Hitler's suicide in 1945.
German politician Joachim von Ribbentrop was Nazi Germany’s minister of foreign affairs from 1938 to 1945. He let Hitler use his summer house, Schloss Fuschl, for secret Nazi meetings. Ribbentrop was eventually convicted of war crimes and became the first Nuremberg defendant to be hanged to death.
17 Alfred Jodl
Alfred Jodl was a German colonel-general who played an important role throughout World War II by serving as Chief of the Operations Staff of a German Armed Forces High Command called the Oberkommando der Wehrmacht. After the war, Jodl was tried at the Nuremberg trials and was found guilty on charges, such as crimes against humanity and war crimes.
Franz von Papen was a German politician, Prussian nobleman, diplomat, and General Staff officer. From 1933 to 1934, he served under Adolf Hitler as the Vice-Chancellor of Germany. After World War II, Franz von Papen was indicted alongside other war criminals in the Nuremberg trials. However, he was later acquitted of all charges.
21 Paul Blobel
22 Wanda Klaff
25 Herta Ehlert
26 Fritz Klein
Reinhard Heydrich was a Nazi police officer and a high-ranking SS. Heydrich is widely regarded as one of the main architects of the Holocaust, a World War II genocide that killed some six million Jews. Described by Adolf Hitler as the man with the iron heart, Heydrich is regarded as the darkest figure of the Nazi era by many historians.
Wilhelm Keitel was a German field marshal. As the chief of the Armed Forces High Command, Keitel was Nazi Germany Armed Forces' highest-ranking officer during World War II. Wilhelm Keitel was responsible for the loss of many lives as he signed several criminal orders. After the war, he was indicted as one of the war criminals and sentenced to death.
American-born fascist politician William Joyce was a Nazi propaganda broadcaster to UK during World War II. He later became a German citizen. As a young man, he joined the British Union of Fascists (BUF) and rose through the ranks to become the BUF's Director of Propaganda. Following the end of World War II, he was arrested for treason and executed.
34 Greta Bösel
Friedrich Jeckeln was a German military officer and SS commander. He played a major role during World War II, serving as a Higher SS and Police Leader in the Soviet Union. He was personally responsible for organizing the murders of more than 100,000 people. After the end of the war, Jeckeln was convicted of war crimes and executed in 1946.
37 Herta Bothe
Initially a professor of sports medicine, Karl Gebhardt later joined the Nazi camp. He had headed the German Red Cross and also developed sports for the physically disabled. After being accused of failing to treat Reinhard Heydrich, he conducted deadly experiments on concentration camp inmates to prove his innocence.
45 Viktor Brack
One of the leaders of the Action T4 euthanasia plan that exterminated the physically and mentally disabled, Nazi Party member Viktor Brack also specialized in child euthanasia. He was also chosen to plan a sterilization drive for physically fit Jews. He was eventually hanged for his war crimes.