Rodger Ward Jim Hurtubise Photo: IMS 1 Jim Clark wins the South African Grand Prix driving a Ford Cosworth-powered Lotus 49 for his 25th GP victory (1968). 2 Walter Sobraske, machinist for Miller, Schofield, Offenhauser, and Meyer & Drake, is born in West Virginia (1901). No Subscription? You’re missing out Get immediate ad-free access to all our premium content. Get Started Already a Member? Sign in to your account here.