Thelma Coyne Long, Australian tennis player and captain (b. 1918)

Thelma Dorothy Coyne Long (née Coyne; 14 October 1918 – 13 April 2015) was an Australian tennis player and one of the female players who dominated Australian tennis from the mid-1930s to the 1950s. During her career she won 19 Grand Slam tournament titles. In 2013, Long was inducted into the International Tennis Hall of Fame.