Gilbert Ostdiek, OFM, is professor of liturgy at Catholic Theological Union, an ordained presbyter, and a member of the Franciscan Province of the Sacred Heart. He is the author of numerous publications including Mystagogy of the Eucharist: AResource for Faith Formation (Liturgical Press). He has received a Festschrift, Finding Voice to Give God Praise: Essays in the Many Languages of the Liturgy, edited by Kathleen Hughes (Liturgical Press).