Robert A. Krieg received his doctorate from the University of Notre Dame in 1976 and has taught there since 1977. He is the author of several books, including Treasure in the Field: Salvation in the Bible and in Our Lives (Liturgical Press, 2013). Krieg has published articles in America, Comment, Commonweal, The Heythrop Journal, The Irish Theological Quarterly, The Journal of Religious Thought, Theologische Quartalschrift, Theological Studies, and Worship. He has known Cardinal Kasper since 1980.