The document discusses the greatest Scottish Formula One drivers. It describes Jim Clark, who was the first Scottish driver to win the F1 World Championship in 1963 and 1965. He won 25 Grand Prix races in his career before tragically dying in a racing accident in 1968. The document also discusses Jackie Stewart, the only Scottish driver to win three F1 World Championships, in 1969, 1971, and 1973. He competed between 1965-1973 and won 27 of his 100 races. Both Clark and Stewart have made significant contributions to becoming the most successful Scottish drivers in F1 history.