Signals intelligence of World War I
Nigel de Grey
Nigel de Grey (27 March 1886 – 25 May 1951), CMG, OBE, British codebreaker.
Nigel de Grey (27 March 1886 – 25 May 1951), CMG, OBE, British codebreaker.
Room 40
In the history of Cryptanalysis, Room 40 was the section in the Admiralty most identified with the British cryptoanalysis effort during the First World War.
In the history of Cryptanalysis, Room 40 was the section in the Admiralty most identified with the British cryptoanalysis effort during the First World War.
Trench code
In cryptography, trench codes were codes used for secrecy by field armies in World War I. A reasonably-designed code is generally more difficult to crack than a classical cipher, but of course s...
In cryptography, trench codes were codes used for secrecy by field armies in World War I. A reasonably-designed code is generally more difficult to crack than a classical cipher, but of course s...
William Montgomery (cryptographer)
Rev. William Montgomery was a Presbyterian minister and a British codebreaker who worked in Room 40 during World War I.
Rev. William Montgomery was a Presbyterian minister and a British codebreaker who worked in Room 40 during World War I.
Zimmermann Telegram
The Zimmermann Telegram was a 1917 diplomatic proposal from the German Empire to Mexico to make war against the United States.
The Zimmermann Telegram was a 1917 diplomatic proposal from the German Empire to Mexico to make war against the United States.
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