What is the birth date of the person who won his first Formula One victory at the 1968 British Grand Prix?
1968 British Grand Prix The 1968 British Grand Prix was a Formula One motor race held at the Brands Hatch Circuit on 20 July 1968. It was race 7 of 12 in both the 1968 World Championship of Drivers and the 1968 International Cup for Formula One Manufacturers. The 80-lap race was won by Jo Siffert, his first Formula One victory, and the first victory by a Swiss driver.
Alex Soler-Roig Alex Soler-Roig (] ; born 29 October 1931) is a former racing driver from Barcelona, Spain. He participated in 10 Formula One World Championship Grands Prix, debuting on 19 April 1970, and scored no championship points. He also participated in several non-Championship Formula One races.