Code breaker, spy hunter : how Elizebeth Friedman changed the course of two world wars
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Code breaker, spy hunter : how Elizebeth Friedman changed the course of two world wars
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Provides a biography of cryptologist Elizebeth Friedman, describing her youth, how her interest in code-breaking began, and how she assisted the United States government in code-breaking during two world wars and the Prohibition era. Includes an activity and timeline. Teaching Books: https://www.teachingbooks.net/tb.cgi?tid=74574.
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