Maurice Petty

Maurice Petty

UNKNOWN: Maurice Petty was the chief engine builder for Petty Enterprises and lead mechanic for brother Richard Petty on the NASCAR Cup circuit. Petty himself started 26 Cup races as a driver from 1960 through 1964, and although he did not win a race, scored 16 top-10 finishes. (Photo by ISC Images & Archives via Getty Images)