Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 81. Chapters: John Calvin, Augustine of Hippo, Rowan Williams, John of Damascus, Thomas Aquinas, Paul Tillich, Friedrich Schleiermacher, Karl Barth, Jurgen Moltmann, Hans Kung, Charles Hodge, Sebastiaan Tromp, James Hal Cone, John Macquarrie, Robert Jenson, Wolfhart Pannenberg, Karl Rahner, Emil Brunner, Wayne Grudem, John Bainbridge Webster, Thomas Torrance, John S. Stamm, Paul Janz, Guido de Bres, Hugo Rahner, Carl Braaten, Donald G. Bloesch, Werner Elert, Miguel H. Diaz, Michael Welker, John Fletcher Hurst, Thomas C. Oden, Robert Ellis, Euler Renato Westphal, Johann Hulsemann, Hamilton Moore, Robert L. Reymond, Ulrich Luz, Iain Paul. Excerpt: Augustine of Hippo ( or; Latin: ) (November 13, 354 - August 28, 430), also known as Augustine, St. Augustine, St. Austin, St. Augoustinos, Blessed Augustine, or St. Augustine the Blessed, was Bishop of Hippo Regius (present-day Annaba, Algeria). He was a Latin-speaking philosopher and theologian who lived in the Roman Africa Province. His writings were very influential in the development of Western Christianity. According to his contemporary, Jerome, Augustine "established anew the ancient Faith." In his early years he was heavily influenced by Manichaeism and afterward by the Neo-Platonism of Plotinus. After his conversion to Christianity and baptism (AD 387), Augustine developed his own approach to philosophy and theology, accommodating a variety of methods and different perspectives. He believed that the grace of Christ was indispensable to human freedom, and he framed the concepts of original sin and just war. When the Western Roman Empire was starting to disintegrate, Augustine developed the concept of the Church as a spiritual City of God (in a book of the same name), distinct from the material Earthly City. His thought profoundly influenced the medieval worldview. Augustine's Cit...