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 10.1 in Berlin, Germany on August 4, 1956. It stood 3 months, until Leamon King's 10.1 on October 20, 1956 (equalling it). Wiki link