Bruce McLaren
Bruce McLaren started Bruce McLaren Motor Racing in 1963 and the team first entered Formula One in 1966. Teddy Mayer took over direction of the group following McLaren's death while testing a Can-am series car in 1970. Mayer subsequently led McLaren to their first World Constructors' Championship in 1974 with Brazilian driver Emerson Fittipaldi, who also won the World Drivers' Championship that year.