Alister McGrath served as Professor of Historical Theology and subsequently as Andreas Idreos Professor of Science and Religion at the University of Oxford. He is presently Senior Research Fellow in the Faculty of Theology and Religion at Oxford. Following undergraduate studies in chemistry and a doctorate in molecular biophysics at Oxford, McGrath transitioned to the study of theology, specializing in the history of theology and its relation to the natural sciences. He has a long-standing interest in the thought of C. S. Lewis, and published an award-winning biography of Lewis in 2013 to mark the fiftieth anniversary of his death.