Matches in DBpedia 2015-10 for { ?s ?p "Margaret Rock (1903 – 1983) was an English cryptoanalyst who worked as a code-breaker at Bletchley Park during World War II. Her work during the war was classified by the Official Secrets Act 1939 so much of her work was not revealed during her lifetime."@en }
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- Margaret_Rock abstract "Margaret Rock (1903 – 1983) was an English cryptoanalyst who worked as a code-breaker at Bletchley Park during World War II. Her work during the war was classified by the Official Secrets Act 1939 so much of her work was not revealed during her lifetime.".
- Margaret_Rock comment "Margaret Rock (1903 – 1983) was an English cryptoanalyst who worked as a code-breaker at Bletchley Park during World War II. Her work during the war was classified by the Official Secrets Act 1939 so much of her work was not revealed during her lifetime.".