Paul BuchananPaul Buchanan is a retired physician, flight surgeon, commercial pilot, and flight instructor. He has authored or coauthored dozens of articles for medical and scientific journals-including many articles on medical concerns during long-duration spacemissions. Buchanan currently lives in a remote area of Greenville County, South Carolina, with a twenty-two-pound Maine coon cat. His interests include aikido, and ancient and medieval military history. Read More Read Less