Genevieve Grotjan was a cryptanalist during World War II. She cracked the complicated diplomatic Japanese code, called Purple, saving thousands of lives.
© 2020 Highlights (Audiobook): 9781792200380
Release date
Audiobook: 5 February 2020
Genevieve Grotjan was a cryptanalist during World War II. She cracked the complicated diplomatic Japanese code, called Purple, saving thousands of lives.
© 2020 Highlights (Audiobook): 9781792200380
Release date
Audiobook: 5 February 2020
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English
Singapore