Monsignor Lorenzo Albacete is a Roman Catholic priest, theologian, physicist and author. A frequent contributor to The New York Times, he is one of the leaders in the United States for the international Catholic movement Communion and Liberation and is on the Board of Advisors of the Crossroads Cultural Center.

Nina Azari specializes in cognitive neuroscience and the psychology of religion. She uses traditional psychological methods as well as cutting-edge medical imaging technology to explore religious experiences, consciousness, belief and perception in her subjects. Azari is an Assistant Professor of Psychology at the University of Hawaii at Hilo.

Journalist Bill Blakemore has been with ABC News since 1970. He was ABC’s Vatican correspondent throughout the papacy of John Paul II, and was ABC’s Rome Bureau Chief for six years. Blakemore has covered major events worldwide including 12 wars and conflict zones. He currently spearheads ABC News coverage of global warming and climate change.

Psychologist Paul Bloom explores how children and adults understand the physical and social world, with special focus on morality, religion, fiction, and art. A professor of psychology at Yale University, he has written for Nature, Science, The New York Times, the Guardian, and the Atlantic.

Nobel Prize-winning physicist William Phillips is a professor at the University of Maryland and leads the Laser Cooling and Trapping Group at the National Institute of Standards and Technology. His research on manipulating atoms with laser light has led to more accurate atomic clocks and a more fundamental understanding of light-matter interactions.