Michael Bernard Beckwith is minister of the 8,000-member Agape International Spiritual Center in Culver City, Calif. He is one of the spiritual leaders featured in The Secret, and the Agape Center is part of the New Thought tradition.

J. Gordon Melton is a distinguished professor of American religious history at Baylor University in Waco, Texas. Formerly, he directed the Institute for the Study of American Religion at the University of California, Santa Barbara. He has written about New Religious Movements and about Christian Science and is an expert on American-born religions. He co-wrote Perspectives on […]

Risa Levitt Kohn is a professor of Hebrew Bible and Judaism at San Diego State University. She was also curator of the June 2007 Dead Sea Scrolls exhibit at the San Diego Natural History Museum.

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.