曾任惠頓學院(Wheaton College, IL)的聖經及神學科教授、研究院教務長。其著作甚豐,包括:New International Bible Dictionary, John: The Gospel of Belief, Galatians: The Charter of Christian Liberty, New Testament Survey《新約綜覽》, "The Meaning of the Word" in The Bible: The Living Word of Revelation《聖經—永活神的道》中的〈聖經與神的道〉一文等。