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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. Over the next nearly seven years, Rejewski and ...
Heimdall. In Norse mythology, Heimdall (from Old Norse Heimdallr; modern Icelandic Heimdallur) is a god. He is the son of Odin and nine mothers. Heimdall keeps watch for invaders and the onset of Ragnarök from his dwelling Himinbjörg, where the burning rainbow bridge Bifröst meets the sky.
t. e. The Enigma machine was used commercially from the early 1920s and was adopted by the militaries and governments of various countries—most famously, Nazi Germany. Cryptanalysis of the Enigma ciphering system enabled the western Allies in World War II to read substantial amounts of Morse-coded radio communications of the Axis powers that ...
The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication. It was employed extensively by Nazi Germany during World War II, in all branches of the German military. The Enigma machine was considered so secure that it was used to encipher the most top ...
Alan Mathison Turing OBE FRS (/ ˈtjʊərɪŋ /; 23 June 1912 – 7 June 1954) was an English mathematician, computer scientist, logician, cryptanalyst, philosopher and theoretical biologist. [ 5 ] He was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation ...
Mr. McMahon is a documentary television miniseries that explores the influential yet controversial career of the professional wrestling promoter Vince McMahon.It is directed by Chris Smith, renowned for his work on Tiger King, with executive producer Bill Simmons and Zara Duffy, recognized for her contributions to Mission Blue.
The north portal of the 12th-century Urnes stave church has been interpreted as containing depictions of snakes and dragons that represent Ragnarök. [1]In Norse mythology, Ragnarök (/ ˈ r æ ɡ n ə r ɒ k / ⓘ RAG-nə-rok or / ˈ r ɑː ɡ-/ RAHG-; [2] [3] [4] Old Norse: Ragnarǫk [ˈrɑɣnɑˌrɒk]) is a foretold series of impending events, including a great battle in which numerous ...
Cyclometer. Cyclometer, devised in the mid-1930s by Rejewski to catalog the cycle structure of Enigma permutations. At top are the two rotor banks, one with lid open; below is the rheostat at left, and at right the array of lamps and switches labelled with corresponding letters. The cyclometer was a cryptologic device designed, "probably in ...