Horton, Michael: - Michael Horton (PhD, University of Coventry and Wycliffe Hall, Oxford) is J. Gresham Machen Professor of Systematic Theology and Apologetics at Westminster Seminary California. He hosts The White Horse Inn radio broadcast and is editor-in-chief of Modern Reformation magazine. He is the author/editor of more than twenty books, including Christless Christianity, The Gospel-Driven Life, and The Gospel Commission.