Wolf KrötkeWolf Krötke (PhD, University of Tübingen), widely regarded as a towering figure among late twentieth-century German theologians, is professor emeritus of systematic theology at Humboldt University in Berlin. He studied under Eberhard Jüngel an has written more than a dozen books. His groundbreaking work on the theme of sin and nothingness in Barth's theology was formally recognized as a doctoral dissertation in 1990 after the end of communism. Krötke received the Karl Barth Prize in 1990. Read More Read Less