Pictured: Simon Norton

Matthew Bannister on

France-Albert René, the Seychelles President who came to power in a coup and stayed in office for more than 25 years.

Simon Norton, the brilliant but eccentric mathematician who became fascinated by public transport.

Belle Tutaev who campaigned for better early learning provision for the UK's children.

Ian Adamson, the Northern Ireland doctor who wrote many learned history books and became Lord Mayor of Belfast.

And Keith Flint, the flamboyant lead singer of The Prodigy.

Interviewed guest: Tim Ecott

Interviewed guest: Alexander MastersInterviewed guest: Professor Marcus du SautoyInterviewed guest: Mary TutaevInterviewed guest: Neil LeitchInterviewed guest: Professor Wesley HutchinsonInterviewed guest: Helen BrookerInterviewed guest: Andrew HarrisonProducer: Neil George

Archive clips from: Seychelles Daily TV, 17/04/18; World at One, Radio 4 03/12/81; Early Years Alliance, 23/02/12; Lifetimes: Ian Adamson, Radio Ulster 2002; Keith Flint Interview, Radio 1 09/05/96.