Dietrich Bonhoeffer was a theologian, martyr, a spiritual writer, a musician, a pastor, and an author of poetry and fiction. The integrity of his Christian faith and life, and the international appeal of his writings, have received broad recognition and admiration, all of which has led to a consensus that he is one of the theologians of his time whose theological reflections might lead future generations of Christians into creating a new more spiritual and responsible millennium. Dietrich Bonhoeffer was a German theologian famous for his stand against Adolf Hitler and the Nazi party. His beliefs and convictions ultimately cost him his life in a Nazi concentration camp. Dietrich Bonhoeffer was one of the most famous theologians and martyrs of the 20th century.