John Birnie Marshall was an Australian competitive swimmer of the 1940s and 1950s who won a silver medal in the 1500-metre and a bronze medal in the 400-metre freestyle at the 1948 Summer Olympics. By the age of 21, he had set 28 world and 38... Wikipedia
Born: March 29, 1930, Bondi, Australia
Died: January 31, 1957 (age 26 years), Melbourne, Australia
Coach: Bob Kiphuth