Johnny Herbert competed using the Stewart SF3 and the Mazda 787B for what activity?
Johnny Herbert John Paul "Johnny" Herbert (born 25 June 1964) is a British racing driver. He raced in Formula One from 1989 to 2000, for 7 different teams, winning three races and placed 4th in the 1995 championship. He also raced sports cars winning the Le Mans 24 Hours in 1991 driving a Mazda 787B. He enjoyed much success in lower-level motor racing.
Willy T. Ribbs William "Willy" Theodore Ribbs, Jr. (born January 3, 1955) is a retired American race car driver, racing owner, and sport shooter known for being the first African-American man to have tested a Formula One car in 1986 and the first to compete in the Indianapolis 500 in 1991. Ribbs competed in many forms of auto racing, including the Trans-Am Series, IndyCar, Champ Car, IMSA, and the NASCAR Sprint Cup Series and Craftsman Truck Series. After retiring, he became a sport shooter in the National Sporting Clays Association.