. . . Wirths was significantly immersed in Nazi ideology in three crucial spheres: the claim of revitalizing the German race and Volk; the biomedical path to that revitalization via purification of genes and race; and the focus on the Jews as a threat to this renewal, to the immediate and long-term "health" of the Germanic race. While Wirths did not absolutize these convictions in the manner of Mengele — they were in him combined with a strong current of medical humanism — his commitment to the Nazi cause was probably no less strong . . .