Paul F. Bradshaw is emeritus professor of liturgy at the University of Notre Dame, an honorary canon of the Diocese of Northern Indiana (Episcopal Church), and a priest-vicar of Westminster Abbey. He has written, cowritten, or edited more than twenty books on the subject of Christian worship, including Reconstructing Early Christian Worship; The Origins of Feasts, Fasts, and Seasons in Early Christianity; and The Eucharistic Liturgies (all from Liturgical Press). A former president of both the North American Academy of Liturgy and the international Societas Liturgica, he was also editor-in-chi...