February 2022 
In every theatre of war, early 1942 was a dark time for the Allies. Japan seemed unstoppable in the Pacific. The Germans were at the gates of Moscow, threatening Egypt and prowling the Atlantic lifeline at sea. But at Bletchley Park there were far reaching changes to both the leadership and organisation that had one clear objective - to support the ultimate Allied victory. 
In this It Happened Here episode, our research officer Dr Thomas Cheetham, guides us through the dramatic changes that would transform GC&CS into an ‘Intelligence Factory’. 
Special thanks go to Dr Ben Thomson for voicing our archival documents.
This episode features the following contributors from our Oral History Archive:
Harry Hinsley
Jimmy Thirsk
Stephen Freer
Image: © George C. Marshall Foundation, Lexington, VA, USA
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