About Bob Cowper
Robert Maskew Cowper was an Australian cricketer who played Test cricket for Australia from 1964 to 1968, and Sheffield Shield cricket for Victoria and Western Australia from 1960 to 1970. He scored the first Test cricket triple century on Australian soil, a 12-hour 307 against England at the MCG in February 1966. Cowper was only 27 when he played his last Test, at Headingley in 1968, almost exactly four years after his first, at Headingley in 1964. Cowper was awarded life membership of Cricket Victoria in 2018.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.