Nazi racial science appropriated every academic discipline to legitimize hierarchy.

Evidence

Nazism is the culmination of this powerful movement of ideas. Very extensive use was made of all the spheres of knowledge: medicine, chemistry, genetics, as well as anthropology, psychiatry, history, archeology, law, and demography; all were appropriated in order to establish scientific definitions, lists, and classifications of certain groups as races, starting with the Jews, and in symmetrical fashion to assert both the superiority of the Aryan race and also to endow it with a historical, cultural, and natural legitimacy. — David Theo Goldberg, John Solomos, A Companion to Racial and Ethnic Studies, 3121