Jane Dillenberger is professor emerita of art and religion at the Graduate Theological Union in Berkeley. She studied at the University of Chicago and is author of The Religious Art of Andy Warhol (1998), Style and Content in Christian Art (2004), and Secular Art with Sacred Themes (1969). She curated several exhibitions for the Berkeley Art Museum during the 1970s on spirituality and art.
John Handley completed his PhD at the Graduate Theological Union in 2012; his dissertation focused on the religious art of Stephen De Staebler.