“I am speaking, as I know it is rude to do, of the Social Darwinists, the eugenicists, the Imperialists, the Scientific Socialists who showed such firmness in reshaping civilization in Eastern Europe, China, Cambodia, and elsewhere, and, yes, of the Nazis. Darwin influenced the nationalist writer Heinrich von Treitschke and the biologist Ernst Haeckel, who influenced Hitler and also the milieu in which he flourished.”
