Matthew Bannister on

The rock 'n' roll pioneer Little Richard, whose flamboyant performances and powerful vocal style influenced many who came after him.

Janet Carr, the psychologist whose long-running study changed attitudes to people with Down’s Syndrome.

John Horton Conway, the playful mathematician who invented the Game of Life.

Florian Schneider, the co-founder of the mould-breaking German electronic band Kraftwerk.

Interviewed guest: Geoff Barker

Interviewed guest: Sally Carr

Interviewed guest: Penny Warren

Interviewed guest: Sir Roger Penrose OM FRS

Interviewed guest: Colm Mulcahy

Interviewed guest: Adam Sweeting

Producer: Neil George

Archive clips from: Little Richard In His Own Words, 6 Music 11/05/2020; Little Richard - A Whop Bop A Lua A Whop Bam Boom, Radio 2 05/12/2012; John Horton Conway: Life, Death and the Monster, Numberphile 09/05/2014; Florian Schneider Interview, Silverstar Club 1998; Florian Schneider, Parley x COP21: Oceans, Climate, Life 08/12/2015.