Julian Worricker on:

Sir Paul Cosford, who - as medical director of Public Health England - took on a prominent role during the Ebola outbreak and the Salisbury poisonings.

The Formula One boss, Max Mosley, who helped turn his sport into a global spectacle and became an outspoken privacy campaigner.

Dr Frances Rotblat, a haematologist, whose pioneering work led to significant advances in the treatment of haemophilia.

And the veteran actor, Norman Lloyd, whose career began in the 1920s and who worked alongside Orson Welles, Alfred Hitchcock and Charlie Chaplin.

Producer: Neil George

Interviewed guest: Dr Gillian Leng

Archive clips used: BBC News: BBC One, TX 7.3.2018; BBC News, BBC One, TX 25.10.2014; Today Programme: Radio 4, TX 24.5.2021; On the Ropes: Radio 4, TX 1.3.2011; Today: Radio 4, TX 22.11.1984; Brain of Britain: Radio 4, TX 12.9.1977; Art for the Millions: Radio 4, TX 1.2.2018