Portrait of racing driver Roger Williamson laughing, prior to his death at 25 years of age when his car crashed during the Dutch Grand Prix, despite the efforts of David Purley, July 30th 1973. (Photo by Keystone/Hulton Archive/Getty Images)
Portrait of racing driver Roger Williamson laughing, prior to his death at 25 years of age when his car crashed during the Dutch Grand Prix, despite the efforts of David Purley, July 30th 1973. (Photo by Keystone/Hulton Archive/Getty Images)