Jason Hawes is founder of the Atlantic Paranormal Society, which investigates paranormal phenomena, including ghosts, in the north Atlantic states. He is also a star and producer of the Syfy show Ghost Hunters. Contact Jason here or via Facebook.

Michael Brown is a professor of anthropology and Latin American studies at Williams College in Williamstown, Mass. He has written about belief in magic and in channeling.

Eugene Gallagher is a professor of religious studies at Connecticut College in New London. He has written about belief in sorcery and new religious movements. He is the co-author of Why Waco.

The American Ghost Society is a national network of ghost hunters, authors, ghost enthusiasts and psychical researchers who conduct investigations into the paranormal. They maintain a list of members and ghost hunters by state.

The National Spiritualist Association of Churches maintains a state-by-state list of Spiritualist churches across the United States.

Robert Todd Carroll is the author of The Skeptics Dictionary: A Collection of Strange Beliefs, Amusing Deceptions, and Dangerous Delusions (John Wiley & Sons, 2003) and maintains a website of the same name. He is a retired philosophy professor at Sacramento City College in California.

Barry Karr is executive director of the Committee for Skeptical Inquiry, which aims to promote scientific inquiry, critical investigation, and the use of reason in examining controversial and extraordinary claims.

James Randi is one of the foremost skeptics of all things paranormal. He is the founder of the James Randi Educational Foundation, a nonprofit organization dedicated to educating the public about fraudulent paranormal claims. It is based in Fort Lauderdale, Fla. He says people believe in the supernatural because it is comforting to think there […]

Rick Hayes is a paranormal communications expert. He was raised as a Christian and established LifesGift. He says that he sees no conflict between his Christian beliefs and his ability to relay messages from the dead, and that this gift makes him feel more blessed. He is based in Evansville, Ind. Contact Rick here.