born Sept. 4, 1937, Balmain, near Sydney, Austl.
Australian swimmer.
She broke the women's world record for the 100-m freestyle race nine successive times between 1956 and 1964 and became the first woman swimmer to win gold medals in three consecutive Olympic Games. Her 1964 100-m freestyle record of 58.9 seconds stood for eight years. She set world marks in freestyle swimming at six different distances.