Marian Rejewski
Polish mathematician and cryptologist (1905-1980) · Poland · On the map · Academics · Died at 74
Marian Adam Rejewski was a Polish mathematician and cryptologist who in late 1932 reconstructed the sight-unseen German military Enigma cipher machine.
Marian Rejewski is read about 255 times a day, in 40 languages.
A typical day, 30 days to 13 November 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 118 days, one point a day.
Something wrong?A life in dates
2005War Medal 1939-1945Award2000Grand Cross of the Order of Polonia RestitutaAward1980Died13 February 19801978Officer of the Order of Polonia RestitutaAward1905Born16 August 1905
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Rejewski's birthplace
Rejewski studied mathematics at Poznań University.![Rejewski laid flowers on Gauss's grave (Göttingen).[7]](https://upload.wikimedia.org/wikipedia/commons/thumb/6/62/G%C3%B6ttingen-Grave.of.Gau%C3%9F.06.jpg/1280px-G%C3%B6ttingen-Grave.of.Gau%C3%9F.06.jpg)
Rejewski laid flowers on Gauss's grave (Göttingen).[7]
Enigma machine, solved by Rejewski in 1932
Cyclometer, devised in the mid-1930s by Rejewski to catalog the cycle structure of Enigma permutations.
Zygalski sheet![2002 plaque, Bletchley Park, "commemorat[ing] the work of Marian Rejewski, Jerzy Różycki, and Henryk Zygalski, mathematicians of the Polish intelligence service, in first breaking the Enigma code [sic: it was a cipher]. Their work greatly assisted the Bletchley Park code breakers and contributed to the Allied victory in World War II."](https://upload.wikimedia.org/wikipedia/commons/thumb/4/49/Bp-polish-codebreakers-plaque.jpg/1280px-Bp-polish-codebreakers-plaque.jpg)
2002 plaque, Bletchley Park, "commemorat[ing] the work of Marian Rejewski, Jerzy Różycki, and Henryk Zygalski, mathematicians of the Polish intelligence service, in first breaking the Enigma code [sic: it was a cipher]. Their work greatly assisted the Bletchley Park code breakers and contributed to the Allied victory in World War II."Awards
About this person
Country
Poland
Category
Academics
Type
Academic
Status
Deceased
Dates
Lived 1905 to 1980 · aged 74
