butterfly, he finished fifth behind American William Yorzyk. A few weeks after the 1956 Olympics, Marshall was killed in a car accident, while three teenagers, the passengers of the car he was driving, escaped with minor injuries. In 1973 he was inducted into the International Swimming Hall of Fame and in 1985 to the Sport Australia Hall of Fame. See also List of members of the International Swimming Hall of Fame List of Olympic medalists in swimming (men) World record progression 200 metres freestyle World record progression 400 metres freestyle Notes Before records were standardized, any swimmer could set an American record at an AAU meet. If the fastest American swimmer had a slower time than the foreign American record holder, it was referred to as the American citizen record. Foreign athletes can also be "All Americans" while competing at the collegiate level. References External links John Marshall profile provided by databaseolympics.com 1930 births 1957 deaths Australian male butterfly swimmers Australian male freestyle swimmers World record setters in swimming Olympic bronze medalists for Australia Olympic silver medalists for Australia Olympic bronze medalists in swimming Olympic swimmers of Australia Road incident deaths in Victoria (Australia) Sportsmen from New South Wales Swimmers at the 1948 Summer Olympics Swimmers at the 1952 Summer Olympics Swimmers at the 1956 Summer Olympics Yale Bulldogs men's swimmers Medalists at the 1948 Summer Olympics Olympic silver medalists in swimming Australian expatriate sportspeople in the United States Sport Australia Hall of Fame inductees