A Edward SiecienskiA. Edward Siecienski attended Georgetown University before earning his MDiv/STL from St. Mary's Seminary and University and his PhD from Fordham University. He is associate professor of religion and Clement and Helen Pappas Professor of Byzantine Culure and Religion at Stockton University and the author of The Papacy and the Orthodox: Sources and History of a Debate and The Filioque: History of a Doctrinal Controversy. Read More Read Less