Dale Soden is a history professor at Whitworth University in Spokane, Wash. He contributed a chapter on mainline Protestants, Catholics and Jews in the Pacific Northwest to Religion and Public Life in the Pacific Northwest: The None Zone.

Mark Shibley is a sociologist at Southern Oregon University in Ashland, Ore. He has studied spirituality in the Pacific Northwest, historically the region with the greatest number of religiously unaffiliated people in the United States, and contributed a chapter on the subject to Religion and Public Life in the Pacific Northwest: The None Zone.

Bill McKinney was president of the Pacific School of Religion at the Graduate Theological Union in Berkeley, Calif. for fourteen years before he retired in 2010. He is an ordained minister in the United Church of Christ and a religion sociologist who is an expert on American Protestantism.

Patricia O’Connell Killen teaches American religious history at Pacific Lutheran University in Tacoma, Wash. She is the co-editor of Religion and Public Life in the Pacific Northwest: The None Zone. She is an expert on people in that region who claim no religious affiliation.

John L. Jackson Jr. is the Richard Perry University Professor of Communication, Africana Studies and Anthropology in the Standing Faculty of the Annenberg School for Communication and the Standing Faculty of the School of Arts and Sciences at the University of Pennsylvania. He has researched the beliefs and practices of Black Hebrews.

Ferenc Szasz is an associate professor of history at the University of New Mexico and author of Religion in the Modern American West.

Tufts University is a private university with campuses in Boston, Medford/Somerville & Grafton, Mass., and Talloires, France. It boasts a very large Jewish student population and was named one of the ten “most Jewish” universities by Reform Judaism magazine in 2008. Patrick Collins is the executive director of public relations.

Douglas M. Underwood is an associate professor of communications at the University of Washington in Seattle. He wrote an article, “The Problem With Paul: Seeds of the Culture Wars and the Dilemma for Journalists” in the Journal of Media and Religion (2006).

Seyoon Kim is a professor of New Testament at Fuller Theological Seminary in Pasadena, Calif., and has written widely on Paul and “the New Perspective.”