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Marian Adam Rejewski
Marian Adam Rejewski (; 16 August 1905 – 13 February 1980) was a Polish people, Polish mathematician and Cryptography, cryptologist who in late 1932 reconstructed the sight-unseen German military Enigma machine, Enigma cipher machine, aided by limited documents obtained by French secret service, French military intelligence. Over the next nearly seven years, Rejewski and fellow mathematician-cryptologists Jerzy Różycki and Henryk Zygalski, working at the Polish General Staff's Cipher Bureau (Poland), Cipher Bureau, developed techniques and equipment for decrypting the Enigma ciphers, even as the Germans introduced modifications to their Enigma machines and encryption procedures. Rejewski's contributions included the card catalog (cryptology), cryptologic card catalog and the cryptologic bomb. Five weeks before the European theatre of World War II, outbreak of World War II in Europe, the Poles shared their achievements with French and British counterparts who had made n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bromberg
Bydgoszcz is a city in northern Poland and the largest city in the historical region of Kuyavia. Straddling the confluence of the Vistula River and its left-bank tributary, the Brda, the strategic location of Bydgoszcz has made it an inland port and a vital centre for trade and transportation. With a city population of 339,053 as of December 2021, Bydgoszcz is the eighth-largest city in Poland. Today, it is the seat of Bydgoszcz County and one of the two capitals of the Kuyavian-Pomeranian Voivodeship as a seat of its centrally appointed governor, a voivode. Bydgoszcz metropolitan area comprising the city and several adjacent communities is inhabited by half a million people, and forms a part of an extended polycentric Bydgoszcz-Toruń metropolitan area with a population of approximately 0.8 million inhabitants. Since the Middle Ages, Bydgoszcz served as a royal city of the Kingdom of Poland until partitions and experienced the industrialisation period bolstered by the c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
