To hear some tell it, Adolf Hitler was a Christian creationist who rejected Darwinian evolution. Award-winning historian Richard Weikart shows otherwise. According to Weikart, Darwinian evolution crucially influenced Hitler and the Nazis, and the Nazis zealously propagated evolutionary theory during the Third Reich. Inspired by arguments from both Darwin and early Darwinists, the Nazis viewed the "Nordic race" as superior to other races and set...