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Peter Zablocki
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Viewing 1–1 of 1 written by Peter Zablocki
The Spy Who Exposed the Secrets of the Black Chamber
In 1931, Herbert O. Yardley published a tell-all book about his experiences leading a covert government agency called the Cipher Bureau.
by
Peter Zablocki
via
Smithsonian
on
February 4, 2025
