James H. Charlesworth was the George L. Collord Professor of New Testament Language and Literature and director of the Dead Sea Scrolls Project at Princeton Theological Seminary when this was written. He is noted for his research in the Apocrypha and Pseudepigrapha of the Hebrew and Christian Bibles, the Dead Sea Scrolls, Josephus, the Historical Jesus, and the Gospel of John. He is a founder and veteran of the Enoch Seminar and a member of the Advisory Board of the journal Henoch. In 2001 he was interviewed on the BBC documentary series Son of God.