Mervyn Davies is Scholar-in-Residence at Sarum College, Salisbury, and honorary Senior Lecturer in the Department of Theology and Religious Studies at Bristol University, UK.Rowan Williams is Archbishop of Canterbury. He was formerly Lady Margaret Professor of Divinity at Oxford and Archbishop of Wales. Dr Oliver D. Crisp is Professor of Systematic Theology at Fuller Theological Seminary, Pasadena, USA. He has authored Jonathan Edwards and the Metaphysics of Sin (Ashgate, 2005), Divinity and Humanity: Issues in the Incarnation (CUP, 2007), and co-edited Jonathan Edwards: Philosophical Theologian (Ashgate, 2003) with Paul Helm.Dr Gavin D'Costa is Professor of Catholic Theology, University of Bristol, England.Peter Hampson is Visiting Fellow at Blackfriars Hall, Oxford, UK.