Australian tennis player (1918–1999)
Source (Wikipedia): John Bromwich

John Edward Bromwich was an Australian tennis player who, along with fellow countryman Vivian McGrath, was one of the first great players to use a two-handed backhand. He was a natural left-hander, though hit his serve with his right hand. Bromwich twice won the Australian Championships singles title, in 1939 and in 1946. He was ranked world No. 3 by A. Wallis Myers in 1938 and again by Harry Hopman in 1947.