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.
Hawthorn Memorial Trophy The Hawthorn Memorial Trophy is a motorsport award given to the most successful British or Commonwealth driver in Formula One. It has been awarded annually since to the driver that finishes highest in that year's championship. The trophy is named after World Champion Mike Hawthorn, the first British World Champion, who died in 1959 in a road traffic accident. The trophy is often presented to the winning driver during the weekend of the following year's British Grand Prix.