Ken Parry is Honorary Research Fellow in the Department of Ancient History at Macquarie University, Australia. He has published numerous articles on Byzantine theology and is the author of Depicting the Word: Byzantine Iconophile Thought (Brill, 1996).

David J. Melling is at Manchester Metropolitan University.

Dimitri Brady is at Manchester Metropolitan University.

Sydney H. Griffith is at the Catholic University of America.

John F. Healey is at Manchester University.