Today's submarines are vast, billion-pound, high-tech monsters with a nuclear payload that can level cities. But the story of Britain's first submarines began over a century ago, with inventors risking life and limb in a range of bizarre contraptions.
Gus Casely-Hayford
Self - Presenter
Natalie Haynes
Self - Presenter
Carenza Lewis
Self - Field Archaeologist
John Gater
Self - Geophysicist
Stewart Ainsworth
Self - Landscape Investigator
Helen Geake
Self - Anglo-Saxon Specialist
Matt Williams
Self - Field Archaeologist
Derek Pitman
Self - Archaeologist
Lawrence Shaw
Self - Archaeologist