Étienne Bazeries
Videos
Étienne Bazeries was a French military cryptanalyst active between 1890 and the First World War. He is best known for developing the "Bazeries Cylinder", an improved version of Thomas Jefferson's ciph
Bazeries
Les Chiffres secrets dévoilés (or The Secret Numbers Unveiled )by Étienne Bazeries
M-94 (cipher machine)
Videos
The M-94 was a piece of cryptographic equipment used by the United States Army, consisting of several lettered discs arranged as a cylinder. It was also employed by the US Navy, under the name CSP 488
Étienne Bazeries
…is best known for developing the "Bazeries Cylinder", an improved version of Thomas Jefferson's cipher cylinder. It was later refined into the US Army M-94 cipher device. Historian David Kahn describes him as "the great pragmatist of cryptology. His theoretical contributions are negligible, but he was one…
The M-94 at the National Cryptologic Museum
An M-138-A at the National Cryptologic Museum"