It takes leadership to improve safety. And I started off the movement in my time, but the person who has done more over the past 20 to 30 years and who has led it is Professor Sid Watkins.

The marshals had no tools to help him and it took his teammate Hill and Bob Bondurant who had also craJackie Stewartd nearby to get him out. Likewise he pressed track owners to modernize their track including organizing driver boycotts of races at Spa-Francorchamps in 1969 the Nürburgring in 1970 and Zandvoort in 1972 until barriers run-off areas fire crews and medical facilities were improved. There were no doctors or medical facilities at the track and Stewart was put in the bed of a pickup truck remaining there until an ambulance arrived.

He is well known in the United States as a color commentator (pundit) of racing television broadcasts and as a spokesman for Ford where his Scottish accent has made him a distinctive presence. He also competed in Can-Am. In 2009 he was ranked fifth of the fifty greatest Formula One drivers of all time by journalist Kevin Eason who wrote: "He has not only emerged as a great driver but one of the greatest figures of motor racing.