Former Formula 1 chief doctor Professor Sid Watkins has died, aged 84.
Best known for his leading actions to improve the safety in Formula 1, Watkins was regarded as one of the most popular figures in the paddock.
Watkins was a neurosurgeon who spent 26 years as the FIA's safety and medical delegate, as well as the boss of F1's on-track medical team.
The Brit was generally the first on the scene in all of F1's major accidents during the 1970s, 80s and 90s.
After ending his on-track medical duties, Watkins headed up the FIA Institute of Motor Sport Safety before retiring from his role in the sport in 2011.
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.Here Professor Sid Watkins talks about how he started in Grand Prix Racing