Pope Leo X In this video, Dr. Kolb presents a brief biography of Pope Leo X, the pope in Rome when Luther wrote the 95 Theses. Gemstones Membership Required You must be a Gemstones member to access this content.Already a member? Log in here Rev. Dr. Robert Kolb, The Lutheran Confessions, Who's Whobasilica, biography, cathedral, de Medici, Dominican Order, Florence, indulgence, Leo X, Lorenzo, Luther, papacy, Pope, Reformation, Roman Catholic, Rome, St. Peter's Basilica