Matthew Bannister on

Kathy Boudin, the American radical activist who was sent to prison for her part in the killing of a security guard and two police officers during a robbery. While serving her sentence she became a campaigner for penal reform.

Dennis Waterman, the actor best known for his roles in TV series 'The Sweeney', 'Minder' and 'New Tricks'.

Sidney Altman, the American biologist who won the Nobel prize for his work on the function of RNA...

And Régine Zylberberg, the French nightclub owner who claimed to have invented the discotheque.

Producer: Neil George

Interviewed guest: Baroness Helena Kennedy QC. Interviewed guest: Dr Thomas R. Cech, Ph.D. Interviewed guest: Hugh Schofield

Archive clips used: CBS Sunday Morning, Weather Underground's accidental bombing 06/03/1970; Center for Justice at Columbia University, Interview with Kathy Boudin 09/05/2022; BBC One, Life and Times of Dennis Waterman 06/12/2000; Danziger Productions Ltd, Night Train To Inverness (1960); Cy Howard Productions / Desilu Productions, Fair Exchange (1962); Minder.org / YouTube clip, Dennis Waterman - Very Early Clip 07/10/2016; BHE Films / Crasto, Up The Junction (1968); Euston Films / Thames TV, The Sweeney (TV series) 1974; Euston Films / Thames TV, Minder 1979; BBC / Wall To Wall, New Tricks 01/04/2004; UC Berkeley Events, Unravelling the Mystery of Ribonucleic Acid 2010; i24NEWS Francais, Histoires Et Decouvertes Régine se raconte 4/04/2021.