Paul Tillich (1886-1965) was a remarkable theologian who was as much at home in a philosophical discussion as he was in the pulpit, and as keenly interested in art and politics as in his life-work as a professional theologian. Tillich's attacks on Nazism led to the banning of his books, his dismissal from Frankfurt University, and ultimately his departure for the United States in November 1933. His many points of contact with key thinkers in theology...