Jack Brabham raised some eyebrows when he took sixth place at the 1957 Monaco Grand Prix in a rear-engined Formula 1 Cooper. When Stirling Moss won the 1958 Argentine Grand Prix in Rob Walker's privately entered Cooper and Maurice Trintignant duplicated the feat in the next race at Monaco, the racing world was stunned and a rear-engined revolution had begun. The next year, , Brabham and the Cooper works team became the first to win the Formula One World Championship in a rear-engined car. Both team and driver repeated the feat in , and every World Champion since has been sitting in front of the engine.