Alister McGrath recently retired as Andreas Idreos Professor of Science and Religion at Oxford University, having previously served as Oxford’s Professor of Historical Theology. He has a special interest in the works of C. S. Lewis, and regularly speaks on the rationality and relevance of the Christian faith for public life. He is the author of many bestselling works, especially the textbook Christian Theology: An Introduction, now in its seventh edition. Twitter: @alisteremcgrathRead Full Biography