Oldfield, Burman, DePalma and Rickenbacher... all in one race, the 1915 Vanderbilt Cup at the San Francisco Worlds Fair race track during the Panama-Pacific International Exposition

Bob Burman driving the #30 case

Eddie Rickenbacher in the #17 Maxwell

Ralph DePalma in the #22 Mercedes

Barney Oldfield in the #1  Maxwell

Images from http://www.vanderbiltcupraces.com/blog/article/starting_lineup_the_1915_vanderbilt_cup_race_in_san_francisco