Sir Jack Brabham (1926 - 2014) was Formula 1 world champion in 1959, 1960 and 1966. His Brabham cars won the constructors championship in 1966 and 1967. Bill Henderson's photos (below) show Jack in his first Formula 1 race, the British Grand Prix at Aintree in 1955 as well as at Charterhall in the same year.

Jack Brabham. Cooper Bristol. British Grand Prix. Aintree 1955
Jack Brabham's works Cooper Bristol T40 at Aintree 1955
Jack Brabham. Cooper Bristol T40. Charterhall 1955
Jack Brabham (Brabham-Climax) 1962 Oulton Park Gold Cup