Henry Norwood "Barney" Ewell was an American athlete, and winner of one gold and two silver medals at the 1948 Summer Olympics. Barney Ewell (United States) set the men's 100 m world record of 10.2 in Evanston, United States on July 9, 1948. It stood 3.1 years, until McDonald Bailey's 10.2 on August 25, 1951 (equalling it). Wiki link