English summary: The Mennonite theologian John Howard Yoder (1927-1997) was the most rigorous and influential spokesman for Christian pacifism in North America. The foundations for Yoders position were however shaped by his activities in Europe after the Second World War. He studied with Karl Barth and Oscar Cullmann, and engaged in dialogue with German theologians in the tradition of the Bekennende Kirche, as well as representatives of the...