James "Jim" Clark, Jr OBE (4 March 1936 - 7 April 1968) was a British Formula One racing driver from Scotland, who won two World Championships, in 1963 and 1965. Clark was a versatile driver who competed in sports cars, touring cars and in the Indianapolis 500, which he won in 1965. He was particularly associated with the Lotus marque. Clark was killed in a Formula Two racing accident in 1968 in Hockenheim, West Germany.

Jim Clark won the 1963 Belgian Grand Prix at Spa-Francorchamps in extremely foggy and rainy conditions. After starting eighth on the grid Clark passed all of the cars in front of him, including early leader Graham Hill. About 17 laps into the race, with the rain coming down harder than ever, Clark had not only lapped the entire field except for Bruce McLaren, but he was almost five minutes ahead of McLaren and his Cooper. This would be the first of seven victories for Clark and Team Lotus that year. In the 1967 Italian Grand Prix at Monza after starting from pole, Clark was leading in his Lotus 49 (chassis R2), when a tyre punctured. He lost an entire lap while having the wheel changed in the pits. Rejoining sixteenth, Clark ripped back through the field, progressively lowering the lap record and eventually equalling his pole time of 1m 28.5s, to regain the lost lap and the lead. He was narrowly ahead of Brabham and Surtees starting the last lap, but his car had not been filled with enough fuel for such a performance: it faltered, and finally coasted across the finish line in third place. In his Indianapolis 500 win, Clark led for 190 of the 200 laps, with an unprecedented average speed of over 150 mph (240 km/h), to become the first non-American in almost half a century to win the famous race. In 1963 and 1965, Jim Clark equaled Alberto Ascari's record for Highest percentage of possible championship points in a season (100%). Leading 71.47% of the laps in 1963, Jim Clark holds the record for highest percentage of laps in the lead in a season. He also holds the record for most Grand Slams, taking pole, fastest lap, race win and leading every lap of the race in 8 races (1962 British Grand Prix, 1963 Dutch Grand Prix, 1963 French Grand Prix, 1963 Mexican Grand Prix, 1964 British Grand Prix, 1965 South African Grand Prix, 1965 French Grand Prix, 1965 German Grand Prix).

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