The fatal crash at the conclusion of the second lap that claimed the lives of Dave MacDonald, Mickey Thompson, Thompson Ford, and Eddie Sachs, DVS Inc, Halibrand Ford. Norm Hall, Pope-Hall Enterprises, Watson Offenhauser, Bobby Unser, Andy Granatelli, Ferguson Novi, Ronnie Duman, Nicholas Fulbright, Trevis Offenhauser, Chuck Stevenson, Bob Wilke, Watson Offenhauser, and Johnny Rutherford, Racing Associates, Watson Offenhauser, were also involved.