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.
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.