Hanson, William

William Hanson, M.D., is the author of "The Edge of Medicine". He is Professor of Anesthesia and Critical Care and the Chief Medical Information Officer at the University of Pennsylvania School of Medicine. His research has been featured in national and international publications, including "Popular Science", "U.S. News &World Report, " and he has been a guest on NPR s" Fresh Air" as well as television documentaries on the Discovery Channel.