Walter Elwell has been Professor of Bible and Theology at Wheaton College since 1975. He did graduate work in New Testament and early Christian history at Tubingen University in Germany and the University of Chicago. His doctoral work was done at New College, University of Edinburgh, Scotland.
Philip Comfort is senior editor of Bible reference at Tyndale House Publishers and adjunct professor of Religion at Coastal Carolina University. He has authored two commentaries on John and three volumes of poetry. He serves as the coordinating New Testament editor for the New Living Translation and he is the General editor for the Cornerstone Biblical Commentary series.