William John "Bill" Vukovich, Sr. (VOO-koh-VITCH; born Vaso Vukovich on December 13, 1918 in Alameda, California, United States – died on May 30, 1955 at Indianapolis Motor Speedway, Speedway, Indiana, United States) was an American racing driver who won two Indianapolis 500s in the mid-1950s and was tragically killed on his way to what would have been a third consecutive victory.