CHARLES F. PFEIFFER (Moody Bible Institute; B.A., Temple University; B.D., Reformed Episcopal Theological Seminary; Th.M., Chicago Lutheran Theological Seminary; Ph.D., Dropsie College) was professor of ancient literatures at Central Michigan University. He also studied at the University of Chicago's Oriental Institute and New York University. He served on the faculties of Gordon Divinity School, King's College, Lancaster School of the Bible, and Moody Bible Institute. Dr. Pfeiffer, as author, co-author, or editor, participated in the production of many works including Hebrews for the Everyman’s Bible Commentary Series, The Wycliffe Bible Commentary, and The Wycliffe Bible Encyclopedia.

EVERETT F. HARRISON (B.A., University of Washington; M.A., Princeton University; Th.B., Princeton Seminary; Th.D., Dallas Theological Seminary; Ph.D., University of Pennsylvania), has served as a missionary in China and as a Presbyterian minister in Pennsylvania, though most of his work was in the classroom. He taught both at Dallas Theological Seminary and Fuller Theological Seminary. He is the author of numerous books and commentaries including Colossians (Everyman’s Bible Commentary), Interpreting Acts: The Expanding Church, and Romans (Expositor’s Bible Commentary).