Oliver Postgate had a short spell in prison in 1943 as a conscientious objector.
Oliver Postgate started in television in 1957, as a stage manager at Associated Rediffusion.
Attached to the children's department he made his own animation device in his bedroom and started creating Ivor the Engine.
Oliver Postgate teamed up with Peter Firmin and they have enjoyed a number of popular creations including Clangers and Bagpuss.
