Sir Peter George Snell was a New Zealand middle-distance runner. He won three Olympic gold medals, and is the only man since 1920 to have won both the 800 and 1500 metres at the same Olympics, in 1964. Peter Snell (New Zealand) set the men's mile world record of 3:54.4 in Wanganui on January 27, 1962. It stood 2.8 years, until Peter Snell (2)'s 3:54.1 on November 17, 1964. Wiki link