What is the birth date of the person who won his first Formula One victory at the 1968 British Grand Prix?
Jo Siffert Joseph Siffert (7 July 1936 – 24 October 1971) was a Swiss racing driver.
James Hunt James Simon Wallis Hunt (29 August 1947 – 15 June 1993) was a British racing driver who won the Formula One World Championship in . After retiring from racing in 1979, Hunt became a media commentator and businessman.