Diarmaid Macculloch is a Fellow of Saint Cross College, Oxford, and Professor of the History of the Church at Oxford University. He is a Fellow of the British Academy, the Royal Historical Society and of the Society of Antiquaries of London. He was ordained deacon in the Church of England in 1987 and was knighted in the UK New Year’s Honours List of 2012. He co-edited the Journal of Ecclesiastical History from 1995–2014. His books include Thomas Cranmer: a life (1996) and Reformation: Europe’s house divided 1490–1700 (2003). His A History of Christianity: the first three thousand years (2009) was followed by the BBC series, A History of Christianity (2010). His three-part series for BBC2, How God Made the English, aired in 2012 and his latest series for BBC2 is Sex and the Church (2015).