Donald C. Davidson is the historian of the Indianapolis Motor Speedway, the only person to hold such a position on a full-time basis for any motorsports facility in the world. Davidson started his career as a statistician, publicist, and historian at USAC. His radio program, The Talk of Gasoline Alley, is broadcast annually throughout the "Month of May" on WFNI in Indianapolis, and he is part of the IMS Radio Network.