Aaron Beck, Joan Carlyle (pictured), Etel Adnan, Anne Bradford

Kirsty Lang on Aaron Beck the Eminent psychiatrist who developed cognitive behavioural therapy into the world’s most popular treatment for depression and anxiety.

Joan Carlyle the principal soprano at the Royal Opera House, Covent Garden for almost 20 years.

Etel Adnan one of the Arab world's most important writers, and author of one of the most important War Novels ever written and

Anne Bradford Compiler of the bestselling crossword solver’s dictionary who could complete the Times puzzle in six minutes.

Producer: Neil George

Interviewed guest: Dr Judith Beck Interviewed guest: Catriona Gallo Interviewed guest: Peggy Reynolds Interviewed guest: Dr Elizabeth Marcus Interviewed guest: Gillian Beauchamp

Archive clips used: BBC Radio 4, All In The Mind 26/03/2003; BBC TWO, Living Hell: Depression 03/03/1999; BBC TWO, Music On Two: I Think It Should Go Like This 31/01/1973; Serpentine Galleries, Etel Adnan Reading From The Arab Apocalypse 07/10/2015; HENI Talks, Hans Ulrich Obrist Visits Etel Adnan 24/02/2020; BBC Radio 4, The Reference Library 21/11/2000.