The Leak in Churchill’s Lavatory

Submarine cable map
cable data by Greg Mahlknecht , map by Openstreetmap contributorsOpenStreetMap contributors, CC BY-SA 2.0, via Wikimedia Commons

National Museum of Computing

Thursday, 4th September 2025 from 6.30 to 7.30 pm
Block H, Bletchley Park, Bletchley MK3 6GX

Join TNMOC for an enlightening evening with Lynn Turner from the Communications Museum Trust, exploring the fascinating development of intercontinental communications in the first half of the 20th century.

This talk charts the vulnerable early days of transatlantic telephone links and reveals how wartime necessity drove innovation in communication security. Discover how scientists transformed a voice synthesizer into a groundbreaking encryption system that would help safeguard transatlantic communications.

TNMOC events