Bob Sweikert

Robert Charles Bob Sweikert was an American racing driver, best known as the winner of the 1955 Indianapolis 500 and the 1955 National Championship, as well as the 1955 Midwest Sprint car championship the only driver in history to sweep all three in a single season.

Sweikert was born in Los Angeles, California. His Indy 500 win was overshadowed by the fatal crash of twotime winner Bill Vukovich during the race earlier that day. Sweikert finished sixth at Indianapolis the following May, but then died weeks later, at age 30, in 1956 after crashing a Sprint car at Salem Speedway.

Source: Wikipedia