An officer in the original Navy SEALs, an Olympian, a national champion, the first swim coach at the University of Texas, and the founder of the nation's biggest summer camp, Tex Robertson was a rare individual who pushed the bounds of what one man can accomplish in a lifetime. From his creation of the now-ubiquitous flip turn technique as a swimmer at Michigan to his numerous inventions at Camp Longhorn (including the Frisbee), the effects are still felt today from the life of a man who grew up in frontier West Texas and became, by sheer force of will, an influential figure in state...