Cryptologic History

"On This Date in Cryptologic History" Calendar

1941: Herbert O. Yardley hired by Canada's National Research Council.

Wednesday, June 11, 2025

11 June 1941: Herbert O. Yardley was hired by the Canadian government to help set up a cryptologic section of Canada's National Research Council. Learn more about Yardley via the link below to "The Many Lives of Herbert O. Yardley" PDF.

Learn About the Pioneers

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