Joan Joslin

Joan Winifred Joslin, née Glover (born 11 March 1923)[1][2] was a codebreaker at Bletchley Park during World War II.[3][4][5]

Joslin was ordered to Bletchley Park on 24 December 1941.[3][4] After six weeks learning to use Hollerith machines for code-breaking, she worked during the war to decrypt messages from Japanese airplanes and German ships.[3][5] Her work helped locate and sink the German battleship Scharnhorst.[5]

She met her husband at her first day of work at the facility; they became engaged three years later, in 1944 and married after the war finished. Her cryptography work remained a secret until the mid-1970s.[3][4][5] Joslin was interviewed as part of the Bletchley Park Oral History Project in May 2014.[6]

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