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.

Jeff Belanger is the founder of Ghostvillage.com, an Internet community dedicated to the supernatural, and the author of several books on ghosts and the dead including The World’s Most Haunted Places, Weird Massachusetts, and Who’s Haunting the White House.

Tim Winter is President of the Parents Television Council in Los Angeles, which tries to bring more family oriented programming to television and monitors network programming.

Alexander Seinfeld is a rabbi and an expert on Judaism and the supernatural and has given talks on the subject of Judaism and ghosts, necromancy and astronomy. He is based in Baltimore.

Alan Jacobs is an English professor at Wheaton College in Illinois. An evangelical Christian, he wrote about how Harry Potter’s magic fits with faith in an essay in First Things. He is the author The Narnian: the Life and Imagination of C.S. Lewis (HarperCollins, 2005).