E159 - Colossus in Context Part 1
January 2024 Eighty years ago, in January 1944, the first Colossus computer was delivered to Bletchley Park. This machine and the nine that followed it have acquired legendary status within the stor...
18 Jan 202458min
E158 - We Shall Fight to the Last Shell
December 2023 Eighty years ago this month Britain was marking its fifth Christmas of the war with still no end in sight. D-Day still lay in the future and the campaigns in Italy and on the Eastern Fr...
22 Des 20231h 28min
E157 - Security & Insecurity Part 2
November 2023 For our tenth anniversary episode, E141 “Security & Insecurity”, we discussed one of the most important factors in wartime codebreaking – secrecy. We looked at its effects on operations...
17 Nov 20231h 10min
E156 - Italian Tiebreaker
October 2023 The fight up the Italian peninsula involved some of the most arduous battles of the war for Allied soldiers, but they were being supported at every stage by intelligence from Bletchley P...
20 Okt 20231h 16min
E155 - Veterans’ Reunion 2023
September 2023 The annual Bletchley Park Veterans’ Reunion is one of the highlights of our year. A chance to welcome back those who worked for Bletchley Park during World War Two, and thank them for ...
12 Sep 20231h 1min
E154 - The Diplomatic Section
August 2023 This month we examine the often-overlooked story of GC&CS’s work on diplomatic codes and ciphers. This vital work predated work on military codes, beginning when CG&CS was created in 19...
29 Aug 20231h
E153 - Sicilian Deception
July 2023 In 1943, when the guns fell silent in Tunisia, a lull fell over the war in the Mediterranean. Meanwhile, the work of the intelligence services continued unabated. An Allied amphibious assau...
31 Jul 20231h 11min
E152 - Sinclair in Focus
June 2023 Who chose Bletchley Park – a vacant estate in Buckinghamshire – as the wartime home of the Codebreakers? That decision was made by the man in charge of the Secret Intelligence Service, know...
26 Jun 20231h 7min
