JAMES D. WATSON was director of Cold Spring Harbor Laboratory in New York from 1968 to 1993 and is now its chancellor emeritus. He was the first director of the National Center for Human Genome Research of the National Institutes of Health from 1989 to 1992. A member of the National Academy of Sciences and the Royal Society, he has received the Presidential Medal of Freedom, the National Medal of Science, and, with Francis Crick and Maurice Wilkins, the Nobel Prize in Physiology or Medicine in 1962. ANDREW BERRY is a lecturer on Organismic and Evolutionary Biology at Harvard University. A writer and teacher, he is the editor of a collection of the writings of the Victorian biologist Alfred Russel Wallace, Infinite Tropics. KEVIN DAVIES is the author of The $1,000 Genome and Cracking the Genome. He is the founding editor of NatureGenetics, the world's leading genetics journal, and Bio-IT World magazine. He is currently the publisher of Chemical & Engineering News.