James Yerkes is professor emeritus of Religion and Philosophy at Moravian College in Bethlehem, Pennsylvania. He is the editor of the book John Updike and Religion: The Sense of the Sacred and the Motions of Grace (Eerdmans, 1999). His research materials for the book are now held at Gustavus Adolphus College, in The James and Ruth Yerkes Collection of John Updike and Related Materials. Yerkes also founded The Centaurian website, where he posted news and commentary about John Updike and his works. In 2010, Yerkes was honored with the John Updike Society's first Distinguished Service Award.