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Gwido Langer
Lt. Col. Karol Gwido Langer (Žilina, Zsolna, Austria-Hungary, 2 September 1894 – 30 March 1948, Kinross, Scotland) was, from at least mid-1931, chief of the Polish General Staff's Biuro Szyfrów, Cipher Bureau, which from December 1932 decryption, decrypted Germany's military Enigma machine, Enigma-machine ciphers. Poland's prewar achievements paved the way for Great Britain, Britain's World War II Ultra, Ultra secret. Life Langer was born in Žilina, Zsolna, Upper Hungary (today Žilina in Slovakia) but spent his childhood in Cieszyn in Silesia, where his family came from. By then, according to Polish military historian Władysław Kozaczuk, the Bureau had been formed by merger of the Radio Intelligence Office and the Polish-Cryptography Office. Langer remained at the head of the Cipher Bureau and its successor field agency until the latter was effectively disbanded in November 1942 upon the German occupation of southern France's Vichy France, Vichy "Free Zone." Major ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gwido Langer
Lt. Col. Karol Gwido Langer (Žilina, Zsolna, Austria-Hungary, 2 September 1894 – 30 March 1948, Kinross, Scotland) was, from at least mid-1931, chief of the Polish General Staff's Biuro Szyfrów, Cipher Bureau, which from December 1932 decryption, decrypted Germany's military Enigma machine, Enigma-machine ciphers. Poland's prewar achievements paved the way for Great Britain, Britain's World War II Ultra, Ultra secret. Life Langer was born in Žilina, Zsolna, Upper Hungary (today Žilina in Slovakia) but spent his childhood in Cieszyn in Silesia, where his family came from. By then, according to Polish military historian Władysław Kozaczuk, the Bureau had been formed by merger of the Radio Intelligence Office and the Polish-Cryptography Office. Langer remained at the head of the Cipher Bureau and its successor field agency until the latter was effectively disbanded in November 1942 upon the German occupation of southern France's Vichy France, Vichy "Free Zone." Major ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cieszyn
Cieszyn ( , ; cs, Těšín ; german: Teschen; la, Tessin; szl, Ćeszyn) is a border town in southern Poland on the east bank of the Olza River, and the administrative seat of Cieszyn County, Silesian Voivodeship. The town has 33,500 inhabitants (as of December 2021), and lies opposite Český Těšín in the Czech Republic. Both towns belong to the historical region of Cieszyn Silesia, and formerly as one town composed the capital of the Duchy of Cieszyn. Geography The town is situated on the Olza river, a tributary of the Oder River, which forms the border with the Czech Republic. It is located within the western Silesian Foothills north of the Silesian Beskids and Mt. Czantoria Wielka, a popular ski resort. Cieszyn is the heart of the historical region of Cieszyn Silesia, the southeasternmost part of Upper Silesia. Until the end of World War I in 1918 it was a seat of the Dukes of Teschen. In 1920 Cieszyn Silesia was divided between the two newly created states of Poland a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kazimierz Gaca
Kazimierz (; la, Casimiria; yi, קוזמיר, Kuzimyr) is a historical district of Kraków and Kraków Old Town, Poland. From its inception in the 14th century to the early 19th century, Kazimierz was an independent city, a royal city of the Crown of the Polish Kingdom, located south of the Old Town of Kraków, separated from it by a branch of the Vistula river. For many centuries, Kazimierz was a place where ethnic Polish and Jewish cultures coexisted and intermingled. The northeastern part of the district was historically Jewish. In 1941, the Jews of Kraków were forcibly relocated by the German occupying forces into the Krakow ghetto just across the river in Podgórze, and most did not survive the war. Today, Kazimierz is one of the major tourist attractions of Krakow and an important center of cultural life of the city. The boundaries of Kazimierz are defined by an old island in the Vistula river. The northern branch of the river (''Stara Wisła'' – Old Vistula) was fille ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edward Fokczyński
Edward Fokczyński was one of the four directors of the AVA Radio Company, an electronics firm established in Warsaw, Poland, in 1929. AVA produced radio equipment for the Polish General Staff's Cipher Bureau, which was responsible for the radio communications of the General Staff's Intelligence Section (''Oddział II''). After the Cipher Bureau's mathematician-cryptologist Marian Rejewski in December 1932 deduced the wiring in the German Enigma rotor cipher machine, AVA produced Enigma "doubles" and all the electro-mechanical equipment that was designed at the Cipher Bureau to facilitate decryption of the German ciphers. Life Fokczyński was an autodidact whose formal education did not extend beyond four grades of primary school at Pabianice. He worked there as a journeyman locksmith before moving in 1913 to Łódź, where he found a job in the electrical engineering firm of Knapik and Company. In 1919 Fokczyński enlisted in the Polish Army, serving in a radio battal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Interception
In ball-playing competitive team sports, an interception or pick is a move by a player involving a pass of the ball—whether by foot or hand, depending on the rules of the sport—in which the ball is intended for a player of the same team but caught by a player of the team on defense, who thereby usually gains possession of the ball for their team. It is commonly seen in football, including American and Canadian football, as well as association football, rugby league, rugby union, Australian rules football and Gaelic football, as well as any sport by which a loose object is passed between players toward a goal. In basketball, a pick is called a steal. American/Canadian football In American football and Canadian football, an interception occurs when a forward pass that has not yet touched the ground is caught by a player of the opposing defensive team. This leads to an immediate change of possession during the play, and the defender who caught the ball can immediately attem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Direction Finding
Direction finding (DF), or radio direction finding (RDF), isin accordance with International Telecommunication Union (ITU)defined as radio location that uses the reception of radio waves to determine the direction in which a radio station or an object is located. This can refer to radio or other forms of wireless communication, including radar signals detection and monitoring (ELINT/ESM). By combining the direction information from two or more suitably spaced receivers (or a single mobile receiver), the source of a transmission may be located via triangulation. Radio direction finding is used in the navigation of ships and aircraft, to locate emergency transmitters for search and rescue, for tracking wildlife, and to locate illegal or interfering transmitters. RDF was important in combating German threats during both the World War II Battle of Britain and the long running Battle of the Atlantic. In the former, the Air Ministry also used RDF to locate its own fighter gr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radio
Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves, and received by another antenna connected to a radio receiver. Radio is very widely used in modern technology, in radio communication, radar, radio navigation, remote control, remote sensing, and other applications. In radio communication, used in radio and television broadcasting, cell phones, two-way radios, wireless networking, and satellite communication, among numerous other uses, radio waves are used to carry information across space from a transmitter to a receiver, by modulating the radio signal (impressing an information signal on the radio wave by varying some aspect of the wave) in the transmitter. In radar, used to locate and track objects like aircraft, ships, spacecraf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Military Intelligence
Military intelligence is a military discipline that uses information collection and analysis approaches to provide guidance and direction to assist commanders in their decisions. This aim is achieved by providing an assessment of data from a range of sources, directed towards the commanders' mission requirements or responding to questions as part of operational or campaign planning. To provide an analysis, the commander's information requirements are first identified, which are then incorporated into intelligence collection, analysis, and dissemination. Areas of study may include the operational environment, hostile, friendly and neutral forces, the civilian population in an area of combat operations, and other broader areas of interest. Intelligence activities are conducted at all levels, from tactical to strategic, in peacetime, the period of transition to war, and during a war itself. Most governments maintain a military intelligence capability to provide analytical and i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cryptography
Cryptography, or cryptology (from grc, , translit=kryptós "hidden, secret"; and ''graphein'', "to write", or ''-logia'', "study", respectively), is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, information security, electrical engineering, digital signal processing, physics, and others. Core concepts related to information security ( data confidentiality, data integrity, authentication, and non-repudiation) are also central to cryptography. Practical applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications. Cryptography prior to the modern age was effectively synonymo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polish 1st Legions Infantry Division
Polish 1st Legions Infantry Division () was a tactical unit of the Polish Army between the World Wars. Formed on February 20, 1919, partially of veterans of the I Brigade of the Polish Legions, the unit saw extensive action during the Polish-Bolshevik War and World War II. Regarded by the soldiers of the Wehrmacht as the ''Iron Division'', it distinguished itself in the Invasion of Poland. As one of the most experienced and best equipped Polish divisions, it fought in many of the most notable battles of the Polish-Bolshevik War of 1919 and 1920. Among them was the operation of liberation of Wilno and Battle of Dyneburg in Daugavpils, Latvia (as part of Rydz-Śmigły's Third Army and under his personal command, although the actual commanding officer was Michał Karaszewicz-Tokarzewski). During the Kiev Offensive of spring of 1920, the division formed the core of ''Operational Group'' and took part in the battle of Zhytomyr (April 25), capturing the city of Kiev itself (May 7). ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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