Card catalog
Deceased Person
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Who is Card catalog?
The card catalog, or "catalog of characteristics," in cryptography, was a system designed by Polish Cipher Bureau mathematician-cryptologist Marian Rejewski, and first completed about 1935 or 1936, to facilitate decrypting German Enigma ciphers.
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"Card catalog." Biographies.net. STANDS4 LLC, 2024. Web. 26 Apr. 2024. <https://www.biographies.net/people/en/card_catalog>.
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