Cautionary Tales with Tim Harford · Pushkin Industries

The Mad Mystic and the Last Battle on English Soil - with Ian Breckon

April 3, 2026·44 min·3 clips

In 1838 Kent, a crowd gathers to hear Sir William Courtney preach, unaware he's an imposter leading to England's last battle.

Dusk falls over Kent. On the edge of Dunkirk, more than a hundred people gather in the lane, climbing fences and carts to see better. The host gives the crowd a physical life: aching backs, white smocks, shawls, bonnets, and the dull sermon they had already sat through that day. Their patience has a focus. A man calling himself Sir William Courtney has become a loud, magnetic orator. But who is he, really? After a trial in Maidstone, he is imprisoned and sentenced to transportation. Then Catherine Tom of Truro appears and says the prisoner is her husband. The authorities do not want to let her see the man they believe is Sir William Courtney, but she eventually gets to him. With her brother-in-law beside her, she tells him plainly that he is John Nicholls Tom. He will not give ground. The guest underlines how stubbornly he clings to the Courtney identity, even when his own family confronts him. So the official path shifts. Instead of being sent to Australia, he moves from prison to Kent County Lunatic Asylum at Barming Heath. The law gives the family a way through: they persuade prison doctors that he is insane. Then comes the strange kindness. Queen Victoria pardons him, and after three years in the asylum he is released at his family's request. Freedom does not change him. He still calls himself Sir William Courtney, still says he is a Knight of Malta, still claims Powderham Castle as his inheritance.

As heard by us

A strange identity claim becomes a disciplined study of law and authority.

A Kent village at dusk, with a sermon still hanging over the crowd and beer glasses already up in front of it, becomes the setting for a man who insists he is Sir William Courtney rather than John Nicholls Tom.

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Why you'd press play

When a village crowd, a false knight, and an asylum collide.

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