Today we discover the remarkable story of how a handful of intrepid scientific navigators underpinned British naval dominance in the conflict with Napoleon.

During the Napoleonic Wars, more than twice as many British warships were lost to shipwreck than in battle. The Royal Navy’s fleets had to operate in unfamiliar seas and dangerous coastal waters, where navigational ignorance was as great a threat as enemy guns. If Britain was to win the war, improved intelligence was vital.

To find out more Dr Sam Willis spoke with Michael Barritt about how they secured that intelligence. It is a story of how a cadre of specialist pathfinders led by Captain Thomas Hurd enabled Britain’s Hydrographic Office to meet this need. Sounding amongst hazards on the front line of conflict, alert for breaks in weather or onset of swell, these daring sailors gathered vital strategic data that would eventually secure the upper hand against Britain’s adversaries. And they did this around Europe, Asia, Africa, and the Americas, honing a skill that revolutionised the British way of war at sea, ultimately securing a lasting naval dominance.

Michael Barritt is the former Hydrographer of the Navy, head of the Royal Navy’s hydrographic profession, and a successor to Captain Thomas Hurd.

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