The Reformation is more than Luther, but without Luther there would have been no Reformation. He was a radical theologian who inquired after the biblical foundation of the faith. Today in particular, the explosive force of his theology should be brought to awareness. In a time of religious indifference, and of a trivialized Christendom, we need more than ever a new form of radical theology, that asks passionately after God and heeds the word of the...