Andrew Phillip Smith has been investigating early Christianity and Gnosticism for over a decade, sharing the results in presentations and writings. He is the author of The Lost Sayings of Jesus: Teachings from Ancient Christian, Jewish, Gnostic and Islamic Sources—Annotated and Explained, The Gospel of Philip: Annotated and Explained (all SkyLight Paths) and The Gospel of Thomas: A New Version Based on Its Inner Meaning.
Stevan Davies is professor of religious studies at Misericordia University and has studied the non-canonical gospels and acts for over thirty years. Among his books are The Gospel of Thomas: Annotated and Explained, The Secret Book of John: The Gnostic Gospel—Annotated and Explained (both SkyLight Paths) and The Revolt of the Widows: The Social World of the Apocryphal Acts. He has also published books about the canonical Christian scriptures including New Testament Fundamentals and Jesus the Healer: Possession, Trance and the Origins of Christianity. His website (www.misericordia.edu/users/davies/thomas/thomas.htm) is a leading Internet resource on the Gospel of Thomas.