Gustave Bertrand
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Gustave Bertrand was a French military intelligence officer who made a vital contribution to the decryption, by Poland's Cipher Bureau, of German Enigma ciphers, beginning in December 1932. This achie
Gustave Bertrand
Marian Rejewski
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Marian Adam Rejewski was a Polish mathematician and cryptologist who in late 1932 reconstructed the sight-unseen German military Enigma cipher machine.
Gustave Bertrand
…General) Bertrand turned these documents over to the Polish Cipher Bureau's chief, Major Gwido Langer. Asché's documents, according to cryptologist Marian Rejewski's testimony, proved in practice crucial to his mathematical solution of the military Enigma machine's wiring. During his work with the Poles, Bertrand…
Rejewski, c. 1932
Rejewski's birthplace
Rejewski studied mathematics at Poznań University.
Rejewski laid flowers on Gauss's grave (Göttingen).