Gary DeMar is on the staff of the American Vision, a group that seeks “to restore America to its biblical foundation.” He is a biblical literalist but takes issue with those who predict a specific date for the Second Coming of Jesus and the end of the world.

Todd Strandberg is executive director of RaptureReady.com, which publishes the Rapture Index.

David Reagan is founder and director of Lamb & Lion Ministries, a Christian organization that proclaims the imminent return of Jesus. It is based in McKinney, Texas.

Wilfred Hahn is founder of Mulberry Press, publishers of the Eternal Value Review. Part of the company’s mission statement is to proclaim the imminent return of Jesus, which it does by keeping watch on world economic developments.

Harold Camping is president of Family Radio and its attendant ministries. He predicted the Second Coming of Jesus on May 21, 2011, followed by the end of the world on Oct. 21, 2011. Camping previously predicted the end of the world in 1994. He lives in Alameda, Calif.

Irvin Baxter is founder and president of Endtime Ministries, a Christian non-profit organization located in Plano, Tex.

Pietro Arnese is editor of the website Apocalypse Soon. He lives in Italy.

Princeton University associate law professor Imani Perry wrote Prophets of the Hood: Politics and Poetics in Hip Hop (Duke University Press, 2004). She studies race, legal history and culture.

The Rev. Jamal-Harrison Bryant is founder and pastor of the large Empowerment Temple, an AME church in Baltimore, and was previously director of the NAACP’s youth and college division. He co-authored The Gospel Remix: Reaching the Hip Hop Generation (Judson Press, 2007).