Marvin Meyer, PhD, (1948-2012) was Griset Professor of Bible and Christian Studies in the Department of Religious Studies at Chapman University in Orange, California. His books include The Gospel of Thomas and, with James Robinson, The Nag Hammadi Scriptures.

Born in Lewiston, Maine, Willis Barnstone was educated at Bowdoin, Columbia, the Sorbonne, and Yale. He taught in Greece at the end of the civil war (1949-51), and in Buenos Aires during the Dirty War. During the Cultural Revolution he went to China where he was later a Fulbright Professor at Beijing Foreign Studies University (1984-85). Former O'Connor Professor of Greek at Colgate University, he is Distinguished Professor of Comparative Literature and Spanish at Indiana University.