1911- . Argentine racing-car driver who won the world driver's title a record five times 1951-57. He drove a blue and yellow Maserati. CAREER HIGHLIGHTS: World champion: 1951 (Alfa Romeo) 1954 (Maserati/Mercedes-Benz) 1955 (Mercedes-Benz) 1956 (Lancia-Ferrari) 1957 (Maserati) Formula One Grand Prix races: 51 wins: 24 (then a record) 1st Grand Prix: 1950 British Grand Prix (Alfa Romeo) last Grand Prix: 1958 French Grand Prix (Maserati)