Michael Phelps is an American former competitive swimmer who dominated the sport in the 2000s-2010s, becoming the most decorated Olympian of all time. Over four Olympic Games from 2000 to 2016, Phelps won a record total of 28 medals - 23 of them gold - in butterfly, individual medley, and freestyle events. His unprecedented achievement of winning 8 golds in a single Games in Beijing in 2008 cemented his legend. With dogged work ethic under coach Bob Bowman, Phelps used his ADHD tendencies to...