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Cryptologic History

Every little bit helps the NCF to influence the cryptologic future by sharing our educational resources, stimulating new knowledge, and commemorating our heritage.

"On This Date in Cryptologic History" Calendar

1957: Lt Gen Samford Officially Opened the NSA OPS1 Building

Monday, November 23, 2026

23 November 1957: Lt Gen Samford (then DIRNSA) officially opened the OPS1 building (also known as the William and Elizebeth Friedman Building) at the National Security Agency.

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Learn About the Pioneers

Learn about the various individuals and groups who paved the way in the field of cryptology, cyber, computers, and more.