Franciszek Pokorny
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Franciszek Pokorny
Major Franciszek Pokorny (15 June 1891 in Mosty, Austria-Hungary – 22 November 1966 in Edinburgh, Scotland) was a Polish Army officer who, after World War I, headed the Polish General Staff's Cipher Bureau before Major (eventually, Lt. Col.) Gwido Langer. Life When the first German military Enigma- enciphered messages were broadcast by radio on 15 July 1928, the Cipher Bureau's German section attempted unsuccessfully to decrypt them. Likely due to the successes of leading Polish mathematicians in breaking Russian ciphers during the Polish-Soviet War (1919–21), a secret cryptology course was conducted in 1929 at Poznań University for selected mathematics students with a knowledge of the German language. Three participants in the course — Marian Rejewski, Jerzy Różycki and Henryk Zygalski — were, three years later, hired by the Cipher Bureau.Władysław Kozaczuk, ''Enigma: How the German Machine Cipher Was Broken, and How It Was Read by the Allied in World War Two' ...
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Franciszek Pokorny
Major Franciszek Pokorny (15 June 1891 in Mosty, Austria-Hungary – 22 November 1966 in Edinburgh, Scotland) was a Polish Army officer who, after World War I, headed the Polish General Staff's Cipher Bureau before Major (eventually, Lt. Col.) Gwido Langer. Life When the first German military Enigma- enciphered messages were broadcast by radio on 15 July 1928, the Cipher Bureau's German section attempted unsuccessfully to decrypt them. Likely due to the successes of leading Polish mathematicians in breaking Russian ciphers during the Polish-Soviet War (1919–21), a secret cryptology course was conducted in 1929 at Poznań University for selected mathematics students with a knowledge of the German language. Three participants in the course — Marian Rejewski, Jerzy Różycki and Henryk Zygalski — were, three years later, hired by the Cipher Bureau.Władysław Kozaczuk, ''Enigma: How the German Machine Cipher Was Broken, and How It Was Read by the Allied in World War Two' ...
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Polish Army Officers
Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles, people from Poland or of Polish descent * Polish chicken *Polish brothers (Mark Polish and Michael Polish, born 1970), American twin screenwriters Polish may refer to: * Polishing, the process of creating a smooth and shiny surface by rubbing or chemical action ** French polishing, polishing wood to a high gloss finish * Nail polish * Shoe polish * Polish (screenwriting), improving a script in smaller ways than in a rewrite See also * * * Polonaise (other) A polonaise ()) is a stately dance of Polish origin or a piece of music for this dance. Polonaise may also refer to: * Polonaises (Chopin), compositions by Frédéric Chopin ** Polonaise in A-flat major, Op. 53 (french: Polonaise héroïque, lin ... {{Disambiguation, surname Language and nationality disambiguation pages ...
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Hermann Pokorny
Hermann Pokorny (Kroměříž, Austro-Hungarian Empire, 1882–1960, Budapest, Hungary) was a World War I Austro-Hungarian Army cryptologist whose work with Russian ciphers contributed substantially to Central Powers victories over Russia. He was a member of the Hungarian Order of Vitéz. Life Pokorny was born in Moravia into a German-speaking family. His father was the postmaster of Kroměříž. A cousin was Major Franciszek Pokorny, a Polish Army officer who after World War I headed the Polish General Staff's Cipher Bureau. In 1900 Herman Pokorny joined the ''k.u.k.'' Austro-Hungarian Army. By 1918, when the Austro-Hungarian Empire fell, he was a lieutenant colonel. During World War I, Pokorny, as a cryptologist in the rank of major, headed the Austro-Hungarian General Staff's Russian-Cipher Bureau. He showed great ability in decrypting Russian enciphered military messages that were broadcast by radio in 1914–17. He recognized that the Russian cryptographers had reduced ...
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Austro-Hungarian Army
The Austro-Hungarian Army (, literally "Ground Forces of the Austro-Hungarians"; , literally "Imperial and Royal Army") was the ground force of the Austro-Hungarian Dual Monarchy from 1867 to 1918. It was composed of three parts: the joint army (, "Common Army", recruited from all parts of the country), the Imperial Austrian Landwehr (recruited from Cisleithania), and the Royal Hungarian Honvéd (recruited from Transleithania). In the wake of fighting between the Austrian Empire and the Hungarian Kingdom and the two decades of uneasy co-existence following, Hungarian soldiers served either in mixed units or were stationed away from Hungarian areas. With the Austro-Hungarian Compromise of 1867 the new tripartite army was brought into being. It existed until the disestablishment of the Austro-Hungarian Empire following World War I in 1918. The joint "Imperial and Royal Army" ( or ''k.u.k.'') units were generally poorly trained and had very limited access to new equipment bec ...
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Maksymilian Ciężki
Maksymilian Ciężki (; Samter, Province of Posen (now Szamotuły, Poland), 24 November 1898 – 9 November 1951 in London, England) was the head of the Polish Cipher Bureau's German section (''BS–4'') in the 1930s, during which time—from December 1932—the Bureau decrypted German Enigma messages. During the German invasion of Poland in September 1939, Ciężki escaped to France to continue work on breaking Enigma ciphers. In 1943 he was captured by the Germans and interned in an S.S. concentration camp. Career In the 1930s, Ciężki, as an army captain, was chief of the Polish General Staff Cipher Bureau's German section ('' Biuro Szyfrów-4'', abbreviated ''BS-4''). This section "broke" ( decrypted) German Enigma machine ciphers. Ciężki was also deputy to the Cipher Bureau's chief, Major (later, Lt. Col.) Gwido Langer, and in addition supervised the radio-intercept stations at Starogard in the Polish Corridor, at Poznań in western Poland, and at Krz ...
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Antoni Palluth
Antoni Palluth (11 May 1900, Pobiedziska, Province of Posen – 18 April 1944) was a founder of the AVA Radio Company. The company built communications equipment for the Polish military; the work included not only radios but also cryptographic equipment. Palluth was involved with the German section (''BS-4'') of the Polish General Staff's interbellum Cipher Bureau. He helped teach courses on cryptanalysis, and he was involved with building equipment to break the German Enigma machine. Life Palluth was a civil-engineer graduate of the Warsaw Polytechnic. In January 1929, he was one of the instructors in a cryptology course organized by the Cipher Bureau, at Poznań University, which was attended by selected mathematics students. The students included future Cipher Bureau civilian employees Marian Rejewski, Jerzy Różycki and Henryk Zygalski. In the 1930s, Palluth was one of the four directors of the AVA Radio Company in Warsaw, which produced cryptologic equipment ...
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Christopher Kasparek
Christopher Kasparek (born 1945) is a Scottish-born writer of Polish descent who has translated works by numerous authors, including Ignacy Krasicki, Bolesław Prus, Florian Znaniecki, Władysław Tatarkiewicz, Marian Rejewski, and Władysław Kozaczuk, as well as the Polish–Lithuanian Constitution of 3 May 1791. He has published papers on the history of the World War II era; Enigma decryption; Bolesław Prus and his novel ''Pharaoh''; the theory and practice of translation; logology (science of science); multiple independent discovery; psychiatric nosology; and electronic health records. Life Born in Edinburgh, Scotland, to Józef and Stanisława (SylviaAcknowledgements
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Władysław Kozaczuk
Władysław Kozaczuk (23 December 1923 – 26 September 2003) was a Polish Army colonel and a military and intelligence historian. Life Born in the village of Babiki near Sokółka, Kozaczuk joined the army in 1944, during World War II, at Białystok. In 1945 he became a Polish Army second lieutenant, and spent the first 5 years of his service commanding operational units of the Internal Security Corps, fighting the Polish anticommunist underground and then the Ukrainian Insurgent Army. In 1950 he was transferred to the Internal Security Corps Staff in Warsaw. In 1954–55, following the Korean War, Kozaczuk carried out armistice-related duties in Korea. In 1955–58 he served in the Polish Ministry of Internal Affairs ('). In 1957–58 he saw duty with the International Control Commission in Vietnam. In 1958–69 he served in Polish military counter-intelligence (''Wojskowa Służba Wewnętrzna''). According to his family, he found conditions there uncongenial ...
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Henryk Zygalski
Henryk Zygalski (; 15 July 1908 – 30 August 1978) was a Polish mathematician and cryptologist who worked at breaking German Enigma ciphers before and during World War II. Life Zygalski was born on 15 July 1908 in Posen, German Empire (now Poznań, Poland). He was, from September 1932, a civilian cryptologist with the Polish General Staff's ''Biuro Szyfrów'' (Cipher Bureau), housed in the Saxon Palace in Warsaw. He worked there with fellow Poznań University alumni and Cipher Bureau cryptology-course graduates Marian Rejewski and Jerzy Różycki. Together they developed methods and equipment for breaking Enigma messages. In late 1938, in response to growing complexities in German encryption procedures, Zygalski designed the "perforated sheets," also known as "Zygalski sheets," a manual device for finding Enigma settings. This scheme, like the earlier "card catalog," was independent of the number of connections being used in the Enigma's plugboard, or commutator. After the war ...
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Jerzy Różycki
Jerzy Witold Różycki (; Vilshana, Ukraine, 24 July 1909 – 9 January 1942, Mediterranean Sea, near the Balearic Islands) was a Polish mathematician and cryptologist who worked at breaking German Enigma-machine ciphers before and during World War II. Life Różycki was born in what is now Ukraine, the fourth and youngest child of Zygmunt Różycki, a pharmacist and graduate of Saint Petersburg University, and Wanda, née Benita. He attended a Polish school in Kyiv before moving with his family to Poland in 1918. In 1926 he completed secondary school at Wyszków on eastern Poland's Bug River. Różycki studied mathematics from 1927 to 1932 in western Poland, at Poznań University's Mathematics Institute, graduating with a master's degree on February 19, 1932. He would later earn a second master's degree from Poznań University, in geography, on December 13, 1937. In 1929, while still a student, Różycki, proficient in German, was one of twenty-odd Poznań University mathe ...
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Marian Rejewski
Marian Adam Rejewski (; 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 fellow mathematician-cryptologists Jerzy Różycki and Henryk Zygalski developed and used techniques and equipment to decrypt the German machine ciphers, even as the Germans introduced modifications to their equipment and encryption procedures. Five weeks before the outbreak of World War II the Poles, at a conference in Warsaw, shared their achievements with the French and British, thus enabling Britain to begin reading German Enigma-encrypted messages, seven years after Rejewski's original reconstruction of the machine. The intelligence that was gained by the British from Enigma decrypts formed part of what was code-named Ultra and contributed—perhaps decisively—to the d ...
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