Cryptologic Bytes

NSA Releases Historical Material Related to William F. Friedman

On 23 April 2015, the National Security Agency released over 52,000 pages of historical material related to the career of pioneer cryptologist William F. Friedman.

This collection, composed of over 52,000 pages in more than 7,600 documents (along with some sound recordings and photographs), has been preserved in the NSA Archives for its historic significance and value. The bulk of the material dates from 1930-1955 and represents Mr. Friedman’s work at the Signals Intelligence Service, the Signal Security Agency , the Armed Forces Security Agency, and NSA. Search the full Collection via the NSA Web site.

On 28 April 2015, the National Cryptologic Museum's new William F. Friedman exhibit opens with a ribbon cutting ceremony.

Please also note the events related to William Friedman hosted by the George C. Marshall Foundation that are highlighted on our Event Calendar.

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The NCMF helps the Museum to acquire rare, valuable, and interesting artifacts and publications for the Museum's collection.