Malcolm Clarke Stewart (born 14 March 1935, Orange, New South Wales, died 19 March 1977, at Calder Park, Victoria) was an Australian racecar driver.Stewart began his motorsport career racing motorcycles, being selected to represent Australia at the 1955 Isle of Man TT, but withdrew due to work commitments. After racing Karts and touring cars he moved to open wheelers in 1965, with much success peaking with wins in the 1974 and 1975 Australian Grand Prix.He also won the Singapore Grand Prix in 1972 and the Toby Lee Formula 5000 Series in 1975.Max Stewart lost his life while practicing at Calder Park Raceway in a Formula 5000 car.