Claim: The two participants, who were unable to complete the race in the 1965 Italian Grand Prix due to a tire problem, were Nino Farina and Luigi Villoresi.
Evidence: 1956 Indianapolis 500 A Formula One season consists of a series of races, known as Grands Prix (French for ''grand prizes' or 'great prizes''), which take place worldwide on purpose-built circuits and on closed public roads.