Sharon D. Welch is provost and professor of religion and society at Chicago’s Meadville Lombard Theological School, which educates students in the Unitarian Universalist tradition. She is also a senior fellow at the Institute for Humanist Studies.

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

The Paul B. Henry Institute for the Study of Christianity and Politics, based at Calvin College in Grand Rapids, Mich., works to integrate the Christian faith and politics. Contact research fellow Corwin E. Smidt.

James Tappenden is associate professor of philosophy at the University of Michigan in Ann Arbor. His essay “An Atheist’s Fundamentalism” is included in Philosophers Without Gods: Meditations on Atheism and the Secular Life (2007).

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.

Stewart Shapiro is O’Donnell Professor of Philosophy at Ohio State University. In his essay “Faith and Reason, the Perpetual War: Ruminations of a Fool” (included in Philosophers Without Gods: Meditations on Atheism and the Secular Life), he discusses growing up in a Jewish home and his fondness for the faith’s traditions and the intellectual aspects of […]

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.

Paul Z. “PZ” Myers is an associate professor of biology at the University of Minnesota, Morris. He is known for his provocative challenges of religion, including a 2008 incident in which he drove a rusty nail through a consecrated Eucharistic host. He describes himself as a “a godless liberal” on his blog, Pharyngula.

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