 John Greenwood (racing driver)

John Greenwood (April 5, 1945 - July 7, 2015) was an American race car driver, entrepreneur and automotive performance car builder and engineer.Greenwood raced three times at the 24 Hours of Le Mans - 1972 24 Hours of Le Mans, 1973 24 Hours of Le Mans, and 1976 24 Hours of Le Mans.