Guy Edwards, one of the Formula 1 drivers who helped free Niki Lauda from his fiery crash in the 1976 German Grand Prix, has died at the age of 83. Edwards competed in 17 Grands Prix between 1974 and 1977, driving for Embassy Hill, Hesketh and BRM, scoring a career best result of seventh in Sweden in his first season. The British driver also competed in the British F1 championship – commonly known by its title sponsor Aurora – between 1978 and 1…