Brian Brock is Reader in Moral and Practical Theology at the University of Aberdeen. He is the author of Singing the Ethos of God, Christian Ethics in a Technological Age, and most recently, Captive to Christ, Open to the World. Bernd Wannenwetsch was Professor of Systematic Theology and Ethics at the University of Oxford, Chair in Theological Ethics at the University of Aberdeen and the president of the Society for the Study of Christian Ethics. His publications include Political Worship, Guter schneller Tod?, and Verlangen.