Few people have heard of John Hawkshaw, the engineer responsible for Brighton's sewers, but he also built the Severn Tunnel and parts of the London Underground system. Such figures, largely forgotten now, conceived an infrastructure that was perfect in its fine detail and intended to last for a century or more - as it has.

I hope I succeed in demonstrating that you may equally find compelling and significant narratives - stories that alter or add to our understanding of history - in unprepossessing places: a Victorian sewer system; a Cold War bunker; derelict hospitals.

For 'Portillo's Hidden History of Britain,' I arranged to meet men and women who were witnesses to history - ordinary people who were caught up in extraordinary events.

Michael Portillo Quotes