PODCAST · history
Bletchley Park
by Bletchley Park
Bletchley Park is the home of British codebreaking and a birthplace of modern information technology. It played a major role in World War Two, producing secret intelligence which had a direct and profound influence on the outcome of the conflict. The site is now a museum and heritage attraction, open daily. The Bletchley Park Podcast brings you fascinating stories from Veterans, staff and volunteers on the significance and continued relevance of this site today.
Episodes
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E195 - Bed and Board
September 2026 Most of the wartime staff at Bletchley Park were serving away from their homes and loved ones. But almost nobody actually lived on site. So where were they housed, and how were they fed? Billets - assigned living quarters - had to be found in the local area. These could vary...
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E194 - Polish Stories
August 2026 Bletchley Park Trust was proud to celebrate our first 'Polish Codebreaking Festival' in July 2026 with over 2,000 members of the public, musicians and Polish community groups on site. We also welcomed a group of experts whose works bring attention to tales of Polish wartime heroism…
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E193 - Focus On: Asa Briggs
July 2026 Lord Asa Briggs – the Keighley-born historian of the Victorian age and of broadcasting, served most prominently as vice-chancellor of the University of Sussex and later Chancellor of the Open University. He was one of Britain’s most influential public intellectuals of the 20th Century....
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E192 - From Warsaw to Hemel Hempstead
June 2026 The story of the vital contribution of Polish codebreakers to the cracking of Enigma before World War Two is well known, but what happened to those codebreakers after the invasion of Poland in 1939? In this episode we follow the long and winding path of the Polish cryptanalysts from...
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E191 - Music at Bletchley Park
May 2026 Against the backdrop of war and secrecy, the Codebreakers of Bletchley Park were often able to enjoy comfort in music. From choirs to orchestras, gramophone evenings to opera, music appears again and again as a recurring motif in the social lives of those working at the Government Code &...
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E190 - Focus On: Josh Cooper
April 2026 Thriving in the world of wartime codebreaking took more than just smarts and skill. Tact, diplomacy and organisational talent were needed to achieve results and navigate the fractious politics of the intelligence community. In these circumstances even the most shining of lights could…
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E189 - Dilly and his Girls
March 2026 The 28th of March 2026 will be the 85th anniversary of the naval Battle of Cape Matapan, fought by the Royal Navy against the Italian fleet in the Mediterranean. The battle was a significant victory for the Allies and cast a shadow over the Italian navy, making them reluctant to...
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E188 - Focus On: Emily Anderson
February 2026 Even amongst the distinguished ranks of WW2 codebreakers, Emily Anderson stood out. Recruited into military intelligence during WWI, her stellar career in diplomatic codebreaking lasted into the 1950s. Her greatest achievement came with the breaking of high-level Italian ciphers...
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E187 - Codebooks, Diplomats and Diamonds
January 2026 Rome: the 1930s, and the Italian secret services were having extraordinary success in reading the messages sent by rival countries’ diplomats from their embassies in the ‘Eternal City’. With the road to World War Two still ahead, it was a time of significant geo-political tension.…
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E186 - Top Secret Misinformation - Part 5
December 2025 This is the fifth instalment of our annual episode where we celebrate the oncoming festivities of the snowy season - religious or secular - with a surfeit not of turkey and roasties but of questions! Questions sent in by our listeners, gifted to us through the medium of social…
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E185 - Reaping the Whirlwind
November 2025 During the second half of World War 2, the Allied air forces launched a large-scale heavy bomber offensive against German cities and war industries. This was designed to damage Germany's ability and will to continue the war. It also represented a way for Britain and the USA to…
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E184 - The SIS at BP
October 2025 Today GCHQ is an independent British intelligence organisation. However during World War 2, GC&CS, as it was then called, continued to be subordinate to the British Secret Intelligence Service, known as SIS or MI6. The Chief of SIS was also the Director of GC&CS. In this episode, we...
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E183 - 'Ladies & gentlemen, go your ways!'
September 2025 In 1945, Britain celebrated VE Day in May and VJ Day in August, as the war - first in Europe and then the Far East - came to an end. For the staff of GC&CS and its larger worldwide network, this meant that the vital and exhausting work they'd been doing suddenly stopped. The lives…
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E182 - "… and Peace at Last"
August 2025 On 15 August 2025 the UK commemorated the 80th anniversary of VJ Day, the day on which the surrender of Japan and the end of World War Two was announced. This was a significant moment at Bletchley Park as it meant the end of almost six years of non-stop codebreaking and intelligence...
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E181 - Blitzkrieg in Burma
July 2025 By late 1944, the tide had turned against the Japanese in south-east Asia, with the repulse of their attempted invasion of India. However, the multi-national Allied forces in Burma still faced enormous challenges if they were to retain the initiative, and push the enemy out of the...
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E180 - Dire Straits
June 2025 In May 1945 the Royal Navy fought its last surface action against the Japanese fleet, sinking the cruiser Haguro in the Mallaca Strait, off the coast of Malaya. The successful location of the enemy ship was the result of signals intelligence. It was also a product of the sophisticated...
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E179 - Dollis Hill Days
May 2025 During World War Two, Bletchley Park collaborated with several external engineering institutions in developing the famous codebreaking machines, such as the Bombes and Colossus. One such institution was the Post Office Research Station at Dollis Hill in London. In 2022, the previously...
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E178 - VE Day 80: Objects and Memories
April 2025 To mark 80 years since the end of the war in Europe, this episode takes a closer look at four intriguing items from Bletchley Park’s collections. The team digs deeper into the stories that lie behind a mysterious message, a misunderstood photograph, a moving memo and audio of a…
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E177 - Vengeance from the Skies
March 2025 In 1943 there seemed to be few mysteries left unsolved for Bletchley Park. But by the middle of that year, whispers would be heard of new threats: the V-1 ‘flying bomb’ and V-2 rocket. What began with hints of secret trials on the Baltic would grow into an investigation which would...
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E176 - The Age of AI
February 2025 Here at Bletchley Park - one of the birthplaces of modern computing – our latest temporary exhibition ‘The Age of AI’ has just opened. This new gallery explores the power and potential of AI in our everyday lives. From the 1930s origins of what we now call ‘artificial intelligence’,...
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E175 - Decoding the Holocaust
January 2025 The 27th of January 2025 is the eightieth anniversary of the liberation of the concentration camp at Auschwitz-Birkenau - an event marked annually by Holocaust Memorial Day. In order to perpetrate the mass killings and other crimes of the Holocaust, the Nazi regime needed to…
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E174 - Top Secret Misinformation Part 4
December 2024 For this year’s festive episode, we once again put the word out to our listeners: what baffles you about Bletchley Park, and what myths and misconceptions would you like our resident Historians to investigate and interrogate? Bletchley Park’s Head of Content, Erica Munro, is asking...
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E173 - Hunting the Beast Part 2
December 2024 On the 12th of November 1944 Germany’s largest battleship – Tirpitz – was sunk by British RAF Lancaster bombers off Tromso in Norway. Ever since its deployment to the region back in January 1942, the battleship had posed a threat to Arctic convoy operations. A large part of the…
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E172 - Hunting the Beast Part 1
November 2024 On the 12th of November 1944 Germany’s largest battleship – Tirpitz – was sunk by British RAF Lancaster bombers off Tromso in Norway. Ever since its deployment to the region back in January 1942, the battleship had posed a threat to Arctic convoy operations. A large part of the…
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E171 - Bletchley Park & Bomber Command Part 2
November 2024 The crews of RAF Bomber Command had one of the most hazardous jobs of the war. Flying by night to their targets in occupied Europe, they were alone and vulnerable to the prowling German night-fighters. Helping them reach their targets was one of the least-known, but most significant...
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E170 – Bletchley Park & Bomber Command Part 1
October 2024 The crews of RAF Bomber Command had one of the most hazardous jobs of the war. Flying by night to their targets in occupied Europe, they were alone and vulnerable to the prowling German night-fighters. Helping them reach their targets was one of the least-known, but most significant...
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E169 - Learning the Ropes
September 2024 The Government Code and Cypher School employed thousands of people during the war. These varied from Cambridge dons who had broken codes in World War One to machine workers with very specific skills, to female conscripts from the three armed services. How did all these people know...
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E168 - Inside Hut 6
August 2024 Hut 6 was the section at Bletchley Park which broke the German army and air force Enigma ciphers. Historical accounts usually focus on the early part of the war, when a small and inexperienced team was established in a newly-built wooden hut. But by 1944 Hut 6 looked very different.…
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E167 - The Forgotten Army
July 2024 In early 1942 one of the most disastrous defeats of the war saw British forces pushed out of Burma, now known as Myanmar. Two years later, the multi-national Fourteenth Army, the ‘Forgotten Army’, had learned to fight and beat the Japanese, inflicting their largest defeat of the war at...
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E166 - D-Day80 Part 3 Block D to Bocage
June 2024 To commemorate the 80th Anniversary of D-Day, we are releasing 3 special episodes to tell the full story of The Longest Day. This third part is a brand new episode looking beyond the beaches. Bletchley Park made a vital contribution to the planning and preparation of D-Day, but the...
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E165 - D-Day80 Part 2 Overlord
June 2024 To commemorate the 80th Anniversary of D-Day, we will be releasing 3 special episodes to tell the full story of The Longest Day. This second part is a complete remastering of our original Overlord episode with the addition of much new content. 80 years ago today, more than 150,000…
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E164 - D-Day80 Part 1 Tide of Victory
May 2024 Over the next 6 weeks, to commemorate the 80th Anniversary of D-Day, we will be releasing 3 special episodes to tell the full story of The Longest Day. This first part is a complete remastering of our original Tide of Victory episode with the addition of much new content. This first...
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E163 - The Women of Newnham College
April 2024 Women were the backbone of Bletchley Park during World War Two. At its peak in January 1945, the workforce was 75% female, but even at the start of the war, women comprised a significant portion of GC&CS’s numbers. Women were recruited in a variety of ways, but a significant quantity…
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E162 - Before the Codebreakers
March 2024 Bletchley Park is famous as the home of World War 2 codebreaking. But what was there before the Government Code and Cypher School moved in? Who built Bletchley Park, and what remains of the pre-war country estate? In this episode, Research Historian Dr David Kenyon and Head of Content...
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E161 - Learning: Past, Present and Future
February 2024 In 2023, Bletchley Park Trust completed its biggest refurbishment project to date – a £13 million, three-phase project, to open up wartime buildings at the heart of the site for the very first time. The final phase saw Block E, once the wartime Communications hub of Bletchley Park,...
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E160 - Colossus in Context Part 2
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 story of World War Two codebreaking. The machines have also been described as the world’s first...
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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 story of World War Two codebreaking. The machines have also been described as the world’s first...
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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 Front ground on. However on Boxing Day 1943 the Royal Navy achieved a significant, if grim success...
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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 at Bletchley Park and the lives of those who worked there. We had so much to talk about on that...
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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 Park. Ultra intelligence helped inform Allied strategy in Italy, kept commanders constantly...
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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 their service. This year’s reunion saw 17 Veterans return to enjoy a very special afternoon tea in...
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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 1919. Work continued throughout World War Two, with some staff eventually leaving Bletchley Park to...
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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 assault somewhere in the Mediterranean was inevitable. The question for the Germans was “where?” – and...
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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, known as ‘C’ – Admiral Sir Hugh Sinclair. A very public man with a very secretive profession, Sinclair...
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E151 - Stored Secrets
May 2023 Like many heritage organisations, Bletchley Park Trust holds a collection within its storerooms. And we are always seeking to improve how it’s managed and taken care of. Now, due to the support of foundations, trusts and generous individuals, we’ve created a new Collection Centre. Once…
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E150 - Communication is Key
April 2023 80 years ago, Bletchley Park’s communications centre opened in Block E. Employing hundreds of staff, mainly young women, this block was vital to BP’s smooth running. Most messages and reports coming into and out of Bletchley Park went through Block E. But as we’ll hear in this ‘It...
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E149 - Bletchley Park Poetry
March 2023 To celebrate World Poetry Day on the 21st of March, we have been looking into the poets and poetry of Bletchley Park. We have chosen nine poems to feature in this episode; they are read by staff, volunteers and Bletchley Park Veterans. Exhibitions Manager, Erica Munro and Research...
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E148 - A New Look at Newman
February 2023 The breaking of the German Lorenz cipher system was one of BP's most complex technical achievements. This work is often associated with Tommy Flowers from the GPO, however Flowers' work, and the wider mechanisation of the breaking of TUNNY was overseen by a Cambridge mathematician…
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E147 – Oral History 2023
January 2023 The Podcast Team wish all our listeners a Very Happy New Year. To start the 2023 season of the podcast, producer Mark Cotton sits down with Oral History Officer Jonathan Byrne to catch-up on both our Roll of Honour and our continuing Oral History Project. For the rest of the episode…
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E146 - Top Secret Misinformation Part 3
December 2022 Since the first two Top Secret Misinformation podcasts in 2020 & 2021, our listeners have been asking us to record another one. Maybe it’s because the secrecy surrounding Bletchley Park is the perfect breeding ground for all sorts of myths and misunderstandings. Or maybe it’s…
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ABOUT THIS SHOW
Bletchley Park is the home of British codebreaking and a birthplace of modern information technology. It played a major role in World War Two, producing secret intelligence which had a direct and profound influence on the outcome of the conflict. The site is now a museum and heritage attraction, open daily.
The Bletchley Park Podcast brings you fascinating stories from Veterans, staff and volunteers on the significance and continued relevance of this site today.
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Bletchley Park
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Bletchley Park currently has 296 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
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Bletchley Park is the home of British codebreaking and a birthplace of modern information technology. It played a major role in World War Two, producing secret intelligence which had a direct and profound influence on the outcome of the conflict. The site is now a museum and heritage attraction,...
How often does Bletchley Park release new episodes?
Bletchley Park publishes regularly with 296 episodes available. Check the episode list for the typical release schedule.
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