Founded in 1963 by New Zealander Bruce McLaren, the team won its first Grand Prix at the 1968 Belgian Grand Prix, but their greatest initial success was in Can-Am, which they dominated from 1967 to 1971. Further American triumph followed, with Indianapolis 500 wins in McLaren cars for Mark Donohue in 1972 and Johnny Rutherford in 1974 and 1976. After Bruce McLaren died in a testing accident in 1970, Teddy Mayer took over and led the team to their first Formula One Constructors' Championship in , with Emerson Fittipaldi and James Hunt winning the Drivers' Championship in 1974 and respectively. The year 1974 also marked the start of a long-standing sponsorship by Phillip Morris' Marlboro cigarette brand.