Leamon King was an American athlete who jointly held the world record for the 100-meter sprint for men from 1956 to 1960. Leamon King (United States) set the men's 100 m world record of 10.1 in Ontario, USA on October 20, 1956. It stood 7 days, until Leamon King's 10.1 on October 27, 1956 (equalling it). Wiki link