David Ewing Duncan is the author of five books, including the international bestseller Calendar, and writes for Wired, Discover, and The Atlantic Monthly. He is a freelance producer and correspondent for ABC's Nightline, and a commentator on NPR's Morning Edition. He also writes the popular "Biotech and Creativity" column for the San Francisco Chronicle. In 2003, he won the Magazine Journalism Award from the American Association for the Advancement of Science. He lives in San Francisco, California.