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Marian Adam Rejewski (Polish: [ˈmarjan rɛˈjɛfskʲi] ⓘ; 16 August 1905 – 13 February 1980) was a Polish mathematician and cryptologist who in late 1932 reconstructed the sight-unseen German military Enigma cipher machine, aided by limited documents obtained by French military intelligence.
Marian Rejewski was responsible for the initial analysis that enabled exploitation of the German ENIGMA cryptographic machine. Without his breakthroughs, which he provided to the French and British in 1939, the U.K. and U.S. may have never been able to exploit ENIGMA.
Marian Adam Rejewski (ur. 16 sierpnia 1905 w Bydgoszczy, zm. 13 lutego 1980 w Warszawie) – polski matematyk i kryptolog, który w 1932 roku złamał szyfr Enigmy, najważniejszej maszyny szyfrującej używanej przez hitlerowskie Niemcy, porucznik Armii Polskiej w Wielkiej Brytanii.
Oct 4, 2018 · British and French intelligence agencies knew all about Germany’s Enigma code years before the outbreak of World War Two, but they both considered it virtually unbreakable. One trailblazing Polish cryptographer named Marian Rejewski proved them wrong.
One of the very first steps, and one of the most intriguing, was made by Marian Rejewski, who applied the theory of permutations in an interesting way to figure out `message keys' used by German operators as well as the structure of the German Enigma machines.
In 20th-century international relations: Science and technology in wartime. The brilliant Polish mathematician Marian Rejewski cracked Enigma by 1938, only to have the unsuspecting Germans add two rotors to the machine.
Marian Adam Rejewski was a Polish mathematician and cryptologist. He was one of the team that reconstructed the German military Enigma cypher machine before World War II.
