Pictured: Joe Casely-Hayford

Matthew Bannister on

Joe Casely-Hayford, the fashion designer whose creations ranged from punk to Savile Row tailoring. His children, who followed him into fashion, pay tribute.

Nicholas Crichton, the judge who pioneered specialist family drug and alcohol courts in the UK.

Professor Sophie Oluwole, who was a powerful advocate for African philosophy.

Professor Paul O'Brien, the pioneer of nanotechnology who developed new ways of producing the quantum dots which lie behind our HDTVs and barcode scanners.

And Carol Channing, the colourful Broadway star of 'Hello Dolly' and 'Gentlemen Prefer Blondes'.

Interviewed guest: Charlie Casely-Hayford
Interviewed guest: Alice Casely-Hayford
Interviewed guest: Claire Wilcox
Interviewed guest: Sophie Miller
Interviewed guest: Professor Muyiwa Falaiye
Interviewed guest: Professor Richard Winpenny
Producer: Neil George

Archive clips from: Ebony People, BBC Two 09/06/1989; Inside the Family Court episode 1, Radio 4 08/06/2006; Importance of the Mother Tongue, Tunde Kelani TV 13/01/2016; Oro Isiti with Professor Sophie Oluwole, Tunde Kelani TV 17/02/2016; North West Tonight, BBC One 30/10/2008; What is Professor Paul O'Brien Researching?, School of Materials, University of Manchester 14/07/2015; Broadway Babes: Carol Channing, Radio 2 14/09/1984; Star Sound, Radio 2 24/09/1979.