While researching an article on Gen. George S. Patton, Kevin M. Hymel made an astonishing discovery. Browsing the Library of Congress's Patton index, he found lists of photo albums. Opening one, he found photos Patton himself took during World War II, a gold mine of historical photographs of which even Blumenson, Patton's official biographer, was unaware. Patton photographed everything that interested him and produced tableaux of the battlefields...