He’s the worst Nazi war criminal you’ve never heard of Sidekick to SS Chief Heinrich Himmler and supervisor of Nazi rocket scientist Wernher von Braun, General Hans Kammler was responsible for the construction of Hitler’s slave labor sites and concentration camps. He personally altered the design of Auschwitz to increase crowding, ensuring that epidemic diseases would complement the work of the gas chambers. Why has the world forgotten this monster? Kammler was declared dead after the war. But the aide who testified to Kammler’s supposed “suicide” never produced the...