Brian A. Butcher (Author) Brian A. Butcher is Assistant Professor in the Metropolitan Andrey Sheptytsky Institute of Eastern Christian Studies at the University of St. Michael's College, in the University of Toronto. He also teaches at U of T's Trinity College, as well as at Augustine College (Ottawa). He is a contributor to the Oxford Handbook of Sacramental Theology and a subdeacon in the Ukrainian Greco-Catholic Church.Andrew Louth, FBA (Foreword By) Andrew Louth, FBA, an Orthodox priest, is Professor Emeritus of Patristic and Byzantine Studies at Durham University, UK, and Visiting Professor of Eastern Orthodox Theology at the Vrije Universiteit, Amsterdam. He is the author of several books on patristics and theology.

Brian A. Butcher (Author) Brian A. Butcher is Assistant Professor in the Metropolitan Andrey Sheptytsky Institute of Eastern Christian Studies at the University of St. Michael's College, in the University of Toronto. He also teaches at U of T's Trinity College, as well as at Augustine College (Ottawa). He is a contributor to the Oxford Handbook of Sacramental Theology and a subdeacon in the Ukrainian Greco-Catholic Church.Andrew Louth, FBA (Foreword By) Andrew Louth, FBA, an Orthodox priest, is Professor Emeritus of Patristic and Byzantine Studies at Durham University, UK, and Visiting Professor of Eastern Orthodox Theology at the Vrije Universiteit, Amsterdam. He is the author of several books on patristics and theology.

Brian A. Butcher (Author) Brian A. Butcher is Assistant Professor in the Metropolitan Andrey Sheptytsky Institute of Eastern Christian Studies at the University of St. Michael's College, in the University of Toronto. He also teaches at U of T's Trinity College, as well as at Augustine College (Ottawa). He is a contributor to the Oxford Handbook of Sacramental Theology and a subdeacon in the Ukrainian Greco-Catholic Church.Andrew Louth, FBA (Foreword By) Andrew Louth, FBA, an Orthodox priest, is Professor Emeritus of Patristic and Byzantine Studies at Durham University, UK, and Visiting Professor of Eastern Orthodox Theology at the Vrije Universiteit, Amsterdam. He is the author of several books on patristics and theology.