Jack Miles is professor emeritus of English and religious studies at the University of California, Irvine. A former Jesuit, he is the author of a trilogy about God in three classic scriptures, including the Pulitzer Prize-winning God: A Biography (1995), and the general editor of the six-volume Norton Anthology of World Religions.

Mark C. Taylor is professor of religion at Columbia University and professor emeritus at Williams College. He is the author of more than thirty books, including most recently Intervolution: Smart Bodies Smart Things (Columbia, 2020). His art has been exhibited at the Massachusetts Museum of Contemporary Art and the Clark Art Institute.