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The Talcum Tin That Sold Britain's Nuclear Secrets to Moscow

The Talcum Tin That Sold Britain's Nuclear Secrets to Moscow

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The Talcum Tin That Sold Britain's Nuclear Secrets to Moscow

A talcum powder tin hid a microdot reader the size of a full stop on a suburban London shelf while Britain’s most sensitive nuclear submarine program bled secrets to Moscow for nearly a decade. How did a filing clerk, a drunken navy veteran, a fake Canadian businessman and two antiquarian booksellers conspire to empty a crown jewel of its secrets - and why was an early warning ignored?

In this episode, we tell the documented story of the Portland Spy Ring, tracing who had access to the Admiralty Underwater Weapons Establishment, what was taken, and how warnings went unheeded. Listen to learn how ordinary objects and small salaries masked a vast intelligence betrayal until the net finally closed.

Person: Harry Houghton
Person: Ethel Gee
Person: Konon Molody (Gordon Lonsdale)
Location: Portland, Dorset; Ruislip (semi-detached house)
Event: Delivery of 715 documents (May 1952) and 1,167 documents (August 1952)

- A microdot reader was hidden beneath a false floor inside a talcum powder tin on a suburban London shelf.
- Harry Houghton handed over 715 documents in May 1952 and 1,167 documents in August 1952.
- Houghton was given the Soviet code name "Miron" after contacting the Polish Foreign Ministry in 1951.
- Ethel Gee began working at the Admiralty Underwater Weapons Establishment in October 1950 and handled top-secret technical drawings.
- Konon Molody operated under the cover name Gordon Lonsdale and posed as "Alex Johnston," an American naval commander.

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