Ralph DePalma
Overview
 
Ralph De Palma was an Italian-American racecar driving champion, most notably winner of the 1915 Indianapolis 500
1915 Indianapolis 500
Results of the 1915 Indianapolis 500 held at the Indianapolis Motor Speedway on Monday, May 31, 1915.-Notes:1 - Louis Chevrolet is usually shown as American but his application for a US passport reveals that he did not become a US citizen until June 1915...

. His entry at the International Motorsports Hall of Fame
International Motorsports Hall of Fame
The International Motorsports Hall of Fame is a Hall of Fame dedicated to enshrining those who have contributed the most to auto racing either as a driver, owner, developer or engineer...

 estimates that he won about 2000 races. DePalma won the 1908, 1909, 1910, and 1911 American AAA national dirt track championships and is credited with winning 24 American Champ car
American Championship Car Racing
Since 1916 there has been a recognized United States national automobile racing National Championship for drivers of professional-level, single-seat open wheel race cars. The championship has been under the auspices of several different sanctioning bodies since 1909. Since 1911, the Indianapolis...

 races. He won the Canadian national championship in 1929. DePalma estimated that he had earned $1.5 million by 1934 after racing for 27 years.
 
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