Malcolm Clarke Stewart (14 March 1935 – 19 March 1977) was an Australian racing driver. He was known as the "Jolly Green Giant" for his disposition and height. Stewart was born in Orange, New South Wales. He 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, winning the 1967 and 1968 Australian One and a Half Litre Championships. Stewart was selected to drive for Alec Mildren Racing, and went on to win the 1969 and 1970 Australian Formula 2 Championships driving a 1.6-litre Mildren Waggott. In 1970 he competed in a 2-litre Mildren Waggott in which he ran strongly in the 1970 Tasman Series with a number