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.
Luigi Piotti Luigi Piotti (October 27, 1913 in Milan – April 19, 1971 in Godiasco) was a racing driver from Italy. He participated in nine Formula One World Championship Grands Prix, debuting on January 22, 1956. He scored no championship points.