Bachelor, Princeton University, 1956; Master of Arts, University of Chicago, 1962; Doctor of Philosophy, University of Chicago, 1968.
Instructor, Susquehanna U., Selinsgrove, Pennsylvania, 1963-1966; assistant to associate professor, Thiel College, Greenville, Pennsylvania, 1968-1972; assistant to associate professor, Virginia Polytechnic Institute, Blacksburg, 1972-1978; associate professor, Marquette U., Milwaukee, since 1978.
(A study of the Sign of Jonah in the Gospels and in Q.)
Member Catholic Biblical Association, Studiorum Novi Testamenti Societas.
Married June Caroline Kirkhuff, September 3, 1958. Children: Jennifer Lynne, Emily Katharine, Jonathan Alan.