Bachelor, St. Bonaventure University, New York, 1952. Licentiate of Sacred Theology, Catholic University America, Washington, District of Columbia, 1959. Doctor of Philosophy, Catholic University America, Washington, District of Columbia, 1962.
S.S.L., Pontifical Biblical Institute, Rome, 1964.
Lecturer O.T. and biblical Greek Holy Name College, Washington, 1964-1967. Assistant professor Semitic language Catholic University American, 1966-1968, associate professor, 1968-1976, associate professor Biblical studies, 1976-1977, professor, 1977-1992, Andrews-Kelly-Ryan distinguished professor bib. studies, 1992—2004, professor emeritus, since 2004. Adjunct professor O.T., Washington Theological Union, 1969-1972.
Visiting professor O.T., Theological Faculty of Sicily, 2005. Member Review Standard Version Bible Committee, since 1982. Chairman board of control New American Bible, since 1988.
Member institutional review board Dubroff Eye Center, Silver Spring, Maryland., 1982-1994. Cancer care continuum group Washington Hospital Center, 1995-1996. Member Society Biblical Literature (president Chesapeake Bay region 1972-1973), Catholic Biblical Association (president 1975-1976, delegate to Council on Study of Religion 1971-1972).