Emily Witt recently wrote an article for the The New Yorker called The Trip Planners about the unusual couple behind Erowid , the Internet's best resource for information about psychoactive substances. Founded in 1995, the site is used as a reference by the general public as well as by physicians, journalists, educators, law enforcement, and other professionals. "The founders of Erowid are a couple in their mid-forties—a man and a woman who call themselves Earth and Fire, respectively. Their names date from 1994, when, as recent college graduates living in the San Francisco Bay Area, they went to a Menlo Park storefront to sign up for a dial-up account and for their first e-mail addresses: earth@best.com and fire@best.com. They live and work in a one-bedroom post-and-beam cabin, built in 1985 and surrounded by ten acres of forested land, on a high slope facing a ravine. The property’s original owner was a collector of obsolete industrial machinery, and the house i...