David Fagerberg holds a B.A. from Augsburg College (1972), M.Div. from Luther Northwestern Seminary (1977), M.A. from St. John’s University, Collegeville (1982), S.T.M. from Yale Divinity School (1983), and M.A., M.Phil., and PhD. from Yale University (1991). He taught in the Religion Department of Concordia College, Moorhead, MN, from 1988-2001; the Liturgical Institute at Mundelein Seminary 2002-03; he has been at Notre Dame since 2003. His area of study is liturgical theology – its definition and methodology – and how the Church’s lex orandi (law of prayer) is the foundation for her lex credendi (law of belief). He also has interests in sacramental theology, Eastern Orthodoxy, linguistic philosophy, scholasticism, G. K. Chesterton and C.S. Lewis.