Author Biography:Alan P. F. Sell, a philosopher-theologian and ecumenist, is employed in research, writing, and lecturing in the United Kingdom and abroad. He has held academic posts in England, Canada, and Wales, and ecclesiastical posts in England and Geneva. He is the author or editor of over thirty books, of which the most recent are Convinced, Concise and Christian: The Thought of Huw Parri Owen (Pickwick, 2012) and Christ and Controversy: The Person of Christ in Nonconformist Thought and Ecclesial Experience (Pickwick, 2012).