At top, in a May 30, 1911, file photo, Ray Harroun drives his No. 32 Marmon Wasp at Indianapolis Motor Speedway. At bottom, in a May 16, 2016, file photo, Scott Dixon pulls out of the pits during practice at the speedway. Harroun never could have envisioned the speed, science and styling behind the cars on the starting grid for the 100th Indy 500, not when he was piloting the Marmon Wasp to victory in the inaugural race. (Photo by AP Photo)
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