The 1968 British Grand Prix was won by a driver born in what year?
Jo Siffert Joseph Siffert (7 July 1936 – 24 October 1971) was a Swiss racing driver.
Mario Andretti Mario Gabriele Andretti (born February 28, 1940) is an Italian-born American former racing driver, one of the most successful Americans in the history of the sport. He is one of only two drivers to have won races in Formula One, IndyCar, World Sportscar Championship and NASCAR (the other being Dan Gurney). He also won races in midget cars, and sprint cars.