Donald O'Riley Quarrie CD is a Jamaican former track and field athlete, one of the world's top sprinters during the 1970s. At the 1976 Summer Olympics he was the gold medallist in the Olympic 200 meters and silver medallist in the Olympic 100 meters. In all, he competed in five Olympic Games and won four Olympic medals during his career. Don Quarrie (Jamaica) set the men's 100 m world record of 9.9 in Modesto, USA on May 22, 1976. It stood 16 months, until Silvio Leonard's 10.03 on September 13, 1977. Wiki link