Della Reese Lett (aka the singer/actress Della Reese) is the minister of the Understanding Principles of Better Living Church in West Hollywood, Calif. The church, which calls its message one of practical Christianity, offers to teach worshippers not what to think but how to think. It is part of the Universal Foundation for Better Living association of […]

Rennie B. Schoepflin is a history professor at California State University, Los Angeles. He is interested in the historical interplay among science, health and religion. He has studied religious healers, including Christian Science healers, and can talk about the Christian Science view of the power of thought.

John Lofland is professor emeritus of sociology at the University of California, Davis, and author of Doomsday Cult: A Study of Conversion, Proselytization and Maintenance of Faith, which stemmed from research among the Unification Church’s U.S. members in the 1960s.

Read about the Stanford Prison Experiment in 1971 and view a slide show of the experiment, which put ordinary Stanford University students in the position of guarding “inmates” – other students – while, unknown to the participants, their behavior was videotaped. Psychologist Philip Zimbardo, one of the experiment’s authors, says today that the sexual degradation of Iraqi […]

Greg Laurie is pastor of Harvest Christian Fellowship in Riverside, Calif. He preached that the Japanese earthquake/tsunami disaster was a sign of the end times, but he declined to name a date. Laurie has preached several other sermons focused on the end times. He is a nationally known evangelist and serves on the board of directors for the […]

Clinical psychologist Cordula Dick-Muehlke works for the University of California’s Institute for Memory Impairments and Neurological Disorders and has more than 20 years’ experience in the field. She lectures widely on spirituality, elder care and dementia.

Jonathan Kirsch is the author of A History of the End of the World: How the Most Controversial Book in the Bible Changed the Course of Western Civilization. He says apocalyptic anxiety has never been wholly absent from our culture, but it is at an all-time high now, due to current events and natural disasters.

John R. Hall is a professor of sociology at the University of California, Davis. He is the author of Apocalypse: From Antiquity to the Empire of Modernity (2009) and can discuss the history of apocalyptic movements, prophets and groups.

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.