Ira James Murchison was an American athlete, winner of the gold medal in 4 × 100 m relay at the 1956 Summer Olympics. Ira Murchison (United States) set the men's 100 m world record of 10.2 in Los Angeles, USA on June 29, 1956. It stood 35 days, until Willie Williams's 10.1 on August 3, 1956. Wiki link