Mark D. Chapman is Vice-Principal of Ripon College, Cuddesdon, Oxford, UK. He is also Reader in Modern Theology at the University of Oxford, UK, and Assistant Priest in his local Church of England parish. He has written widely in the fields of Ecclesiology, Anglicanism, and Church history. His latest books are The Fantasy of Reunion: Anglicans, Catholics, and Ecumenism, 1833-1882 (2014) and Theology and Society in Three Cities: Berlin, Oxford and Chicago, 1800-1914 (2014).
Miriam Haar has submitted her dissertation Apostolicity in Dialogue: A Study of Multilateral and Bilateral Ecumenical Dialogues at Trinity College Dublin, Ireland. She studied in Germany, Switzerland, and Lebanon, and received a Master of Philosophy Degree in Ecumenics from Trinity College Dublin, Ireland, having previously been awarded a Graduate Degree in Protestant Theology from the University of Tubingen, Germany.