1. KYLE HARPER is a Historian and Professor of Classics and Letters at the University of Oklahoma, where he is also Senior Vice President and Provost. He is the author of From Shame to Sin: The Christian Transformation of Sexual Morality in Late Antiquity (2013), which won the Award for Excellence in the Study of Religion, from the American Academy of Religion, Historical Studies, and Slavery in the Late Roman World (2011), which won the James Henry Breasted Prize.