Sam Cromartie M.D. served as a captain in the US Army in Vietnam, as a thoracic and cardiovascular surgeon on the faculty at Indiana University School of Medicine, and as chief of thoracic and cardiovascular surgery at Halifax Medical Center in Daytona Beach, Florida. He has published numerous articles in medical journals and is co-author with Richard Duma M.D. of High-Tech Terror: Recognition, Management, and Prevention of Biological, Chemical, and Nuclear Injuries Secondary to acts of Terrorism (Charles C Thomas, Publisher). He lives on an island off the coast of Florida. For detailed information, check his webpage, www.samcromartie.com.