, Ralph DePalma , Walt Faulkner , Parnelli Jones , A.J. Foyt , Al Unser , Bobby Unser , Mario Andretti , Bobby Rahal , Jim Clark , Darrell Waltrip , Alan Kulwicki , Emerson Fittipaldi , Bobby Allison , Davey Allison , Nigel Mansell , Michael Andretti , Alex Zanardi ,