It's well-known that the late Hugh Hefner was the founder of one of history's most iconic global brands. He transformed the adult entertainment industry with his groundbreaking publication Playboy. Less widely reported, however, is his contribution to the war effort during World War II. Just seven years before he created Playboy magazine from his kitchen table, Hefner joined the Army, serving as an infantry clerk and drawing cartoons for various military newspapers.  Hugh Hefner's Early...