Daniel Harlow is a religion professor at Calvin College in Grand Rapids, Mich., whose research interests include evolutionary science and Christian theology. When Harlow wrote an article questioning the historical Adam, he faced a college investigation.

A Religion News Service piece analyzing the portrayal of torture in the 2012 movie “Zero Dark Thirty.”

Pete Wernick has a doctorate in sociology and wrote a chapter on parenting in a secular/religious marriage for the book Parenting Beyond Belief: On Raising Ethical, Caring Kids Without Religion (2007). He lives in Colorado.

Jerry Walls, philosophy of religion professor at Houston Baptist University, has written about making sense of evil and Christian conceptions of God. He is co-editor of The Chronicles of Narnia and Philosophy (Open Court Press) and co-author of C.S. Lewis & Francis Schaeffer: Lessons for a New Century From the Most Influential Apologists (InterVarsity Press, 1998).

Betsy Steele Halstead is a visual arts specialist at the Calvin Institute of Christian Worship at Calvin College in Grand Rapids, Mich.

William Dyrness is professor of theology and culture at Fuller Theological Seminary in Pasadena, Calif. Among his books are Modern Art and the Life of a Culture: The Religious Impulses of Modernism, which he co-authored with Jonathan A. Anderson, and Visual Faith: Art, Theology and Worship in Dialogue.

Luke Smetters is a candle carver who has led workshops at the Lutheran School of Theology in Chicago, Ill., where he is also a student. Contact him at Bethany Lutheran Church in Ishpeming, Mich., where he is the vicar.

Martin Marklin is a liturgical artist in Contoocook, N.H., who makes paschal candles.

Michael Lackey is an associate professor of English at the University of Minnesota, Morris. His research interests include God and religion in literature, and atheism, and he is the author of African American Atheists and Political Liberation: A Study of the Sociocultural Dynamics of Faith (2007).