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Daniel Sexton Gurney was an American racing driver, race car constructor, and team owner who reached racing's highest levels starting in 1958. Gurney won races in the Formula One, Indy Car, NASCAR, Can-Am, and Trans-Am Series. Gurney is the first of three drivers to have won races in sports cars (1958), Formula One (1962), NASCAR (1963), and Indy cars (1967), the other two being Mario Andretti and Juan Pablo Montoya. In 1967, after winning the 24 Hours of Le Mans together with A. J. Foyt, Gurney spontaneously sprayed champagne while celebrating on the podium, which thereafter became a custom at many motorsports events. As owner of All American Racers, he was the first to put a simple right-angle extension on the upper trailing edge of the rear wing. This device, now called a Gurney flap, increases downforce and, if well designed, imposes only a relatively small increase in aerodynamic drag. At the 1968 German Grand Prix, he became the first driver ever to use a full face helmet in Grand Prix racing.