The Swiss theologian Adolf Keller was the leading ecumenist on the European continent between the two world wars. In this book the historian Marianne Jehle-Wildberger delineates his life and its achievements. Based on research in forty archives in Europe and the United States, a picture emerges that shows a wonderful man who was a personal friend oft Karl Barth, C. G. Jung, Thomas Mann, and Albert Schweitzer–and thus who was influenced by the spiritual tendencies of the twentieth century. ...