Marvin Meyer is one of the foremost scholars on gnosticism, the Nag Hammadi library, and texts about Jesus outside the New Testament. Among his recent books are The Gnostic Gospels of Jesus: The Definitive Collection of Mystical Gospels and Secret Books about Jesus of Nazareth; The Gospels of Mary: The Secret Tradition of Mary Magdalene, the Companion of Jesus; The Gospel of Thomas: The Hidden Sayings of Jesus; The Gnostic Bible and The Gnostic Discoveries. James M. Robinson was Permanent Secretary of UNESCO's International Committee for the Nag Hammadi Codices, Founding Director Emeritus of the Nag Hammadi Project of the Institute for Antiquity and Christianity, and professor emeritus at Claremont Graduate University. He is the author of Trajectories through Early Christianity and A New Quest of the Historical Jesus. He is widely known for his pioneering work on the Sayings Gospel Q and the Nag Hammadi codices and was the general editor of The Nag Hammadi Library in English.