Nathan O. Hatch is president of Wake Forest University in Winston-Salem, N.C., and one of the most influential historians of religion in America. His books include, as author, The Democratization of American Christianity. Contact Donna K. Gung.

David Callahan is author of The Cheating Culture: Why More American are Doing Wrong to Get Ahead (Harcourt, 2004) and co-founder of the public policy center Demos.

The Markkula Center for Applied Ethics at Santa Clara University in Santa Clara, Calif., is dedicated to researching modern ethical issues and attempting to create solutions in diverse fields such as bioethics, the Internet, government and character ethics.

Stephen Chapman is an associate professor of Old Testament at Duke Divinity School. Previously, he worked as a legislative assistant to a member of Congress. He has examined the use of the Bible and religious language in contemporary society and defends the separation of church and state.

Melissa Snarr is an associate professor of ethics and society and a Christian social ethicist at Vanderbilt University in Nashville, Tenn. Her research focuses on political and religious ethics, social change, religion and war and religion and politics.

Jeffrey Stout is professor of religion emeritus at Princeton University in New Jersey. He is the author of Democracy and Tradition.

Gordon Campbell is the author of Bible: The Story of the King James Version 1611-2011 and editor of a 400th anniversary edition of the Bible that preserves the original printer’s errors, both for Oxford University Press, one of the original publishers of the Bible. Campbell summarizes his work in a blog post.

Amaney A. Jamal is an associate professor of politics at Princeton University and the director of the Workshop on Arab Political Development.

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