Friedrich Bachmann
Friedrich Bachmann (born 11 February 1909 in Wernigerode, died 1 October 1982 in Kiel.) was a German mathematician who specialised in geometry and group theory. Life Bachmann was the son of a Lutheran minister Hans Bachmann. Bachmann came from an intellectual family, his paternal grandfather was the number theorist Paul Gustav Heinrich Bachmann. Bachmann took his early education at the Gymnasium in Münster. After attending the Gymnasium, he attended the University of Münster and the Humboldt University of Berlin and graduated in 1927. While there he was a member of the Münster Wingolfs. In 1933, Bachmann was promoted to D.Phil with a thesis titled, ''Studies on the foundation of arithmetic with special reference to Dedekind, Frege, and Russell'' (). His advisor was Heinrich Scholz. His doctoral students include Andreas Dress and Rolf Lingenberg. Bachmann was married to a great-granddaughter of Otto von Bismarck, Alexandra von Bredow. They had a son together, Sebast ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Wernigerode
Wernigerode () is a town in the Harz (district), district of Harz, Saxony-Anhalt, Germany. Until 2007, it was the capital of the Wernigerode (district), district of Wernigerode. Its population was 32,181 in 2020. Wernigerode is located southwest of Halberstadt, and is picturesquely situated on the Holtemme river, on the northern slopes of the Harz Mountains. Wernigerode is located on the German Timber-Frame Road. Geography Location The town lies at about above Normalnull, sea level (NN) on the northeastern flank of the Harz Mountains in central Germany, at the foot of their highest peak, the Brocken, on the Bundesstraße 6, B 6 and Bundesstraße 244, B 244 federal highways and on the Halberstadt–Vienenburg railway, railway line from Halberstadt to Vienenburg that links the cities of Halle (Saale) and Hanover. The River Holtemme flows through the town and, not far from its western gate, it is joined by the Zillierbach stream, which is also known as the near its mouth. ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Doctor Of Philosophy
A Doctor of Philosophy (PhD, DPhil; or ) is a terminal degree that usually denotes the highest level of academic achievement in a given discipline and is awarded following a course of Postgraduate education, graduate study and original research. The name of the degree is most often abbreviated PhD (or, at times, as Ph.D. in North American English, North America), pronounced as three separate letters ( ). The University of Oxford uses the alternative abbreviation "DPhil". PhDs are awarded for programs across the whole breadth of academic fields. Since it is an earned research degree, those studying for a PhD are required to produce original research that expands the boundaries of knowledge, normally in the form of a Thesis, dissertation, and, in some cases, defend their work before a panel of other experts in the field. In many fields, the completion of a PhD is typically required for employment as a university professor, researcher, or scientist. Definition In the context o ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Karl-Heinrich Weise
Karl Heinrich Weise (24 May 1909, Gera – 15 April 1990, Kiel) was a German mathematician. In 1956 he was the president of the German Mathematical Society (''Deutsche-Mathematiker Vereinigung'', DMV). Biography Karl-Heinrich Weise, the son of a middle school teacher, studied mathematics, astronomy, and physics from 1928 to 1930 at Leipzig University. In 1930 he matriculated at the University of Jena, where he received his doctorate in mathematics in 1934. His doctoral dissertation, supervised by Robert König, is entitled ''Beiträge zum Klassenproblem der quadratischen Differentialformen'' (Contributions to the class problem of quadratic differential forms) and was published in 1935 in ''Mathematische Annalen''. At the University of Jena, Weise was from 1935 to 1937 ''wissenschaftliche Assistent'' and from 1937 to 1942 ''Privatdozent''. His ''NSDAP-Mitgliedsnummer'' was 5663631. From 1940 to 1945 he held an appointment as ''wissenschaftlicher Mitarbeiter'' in Potsdam. At Kiel ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Johannes Hjelmslev
Johannes Trolle Hjelmslev (; 7 April 1873 – 16 February 1950) was a mathematician from Hørning, Denmark. Hjelmslev worked in geometry and history of geometry. He was the discoverer and eponym of the Hjelmslev transformation, a method for mapping an entire hyperbolic plane into a circle with a finite radius. He was the father of Louis Hjelmslev. Originally named Johannes Trolle Petersen, he changed his patronymic to the surname Hjelmslev to avoid confusion with Julius Petersen. Some of his results are known under his original name, including the Petersen–Morley theorem In geometry, the Petersen–Morley theorem states that, if , , are three general skew lines In three-dimensional geometry, skew lines are two Line (geometry), lines that do not Line-line intersection, intersect and are not Parallel (geometry), p .... Publications *Johannes Hjelmslev, ''Grundprinciper for den infinitesimale Descriptivgeometri med Anvendelse paa Læren om variable Figurer. Afhandling for d ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Ordentlicher Professor
Academic ranks in Germany are the titles, relative importance and power of professors, researchers, and administrative personnel held in academia. Overview Appointment grades * (Pay grade: ''W3'' or ''W2'') * (''W3'') * (''W2'') * (''W2'', only in ''Baden-Württemberg'') – although paid like a professor appointed at level W2, lecturers in this position do not have a professor title; the term was formerly used in all states for senior lecturer positions with research and teaching responsibilities (''C2'', being phased out since 2002) * (not tenured, but increasingly with tenure track) (''W1'') * (not tenured) (''W1'', only in ''Baden-Württemberg'') * or (''A13'', ''A14'', ''A15'') * (''TVöD 13/14/15'', ''TvL 13/14/15'') * (''TVöD'', ''TvL'' ''A13 a. Z.'') * (''TVöD'', only in ''Baden-Württemberg'') * (''TdL'') * (''TdL'') Non-appointment grades * * – conferred, in some German states, to a ''Privatdozent'' who has been in scientific service for several year ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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University Of Königsberg
The University of Königsberg () was the university of Königsberg in Duchy of Prussia, which was a fief of Poland. It was founded in 1544 as the world's second Protestant Reformation, Protestant academy (after the University of Marburg) by Duke Albert, Duke of Prussia, Albert of Prussia and charted by the King Sigismund II Augustus. It was commonly known as the Albertina and served as a Protestant counterpart to the Catholic Jagiellonian University in Kraków. Following World War II, the city of Königsberg was transferred to the Soviet Union according to the 1945 Potsdam Agreement, and renamed Kaliningrad in 1946. The Albertina was closed and the remaining German population Flight and expulsion of Germans (1944–1950), expelled, by the terms of the Potsdam Agreement. Today, the Immanuel Kant Baltic Federal University in Kaliningrad claims to maintain the traditions of the Albertina. History Albert, former Grand Master of the Teutonic Order and first Duchy of Prussia, Duke of P ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Privatdozent
''Privatdozent'' (for men) or ''Privatdozentin'' (for women), abbreviated PD, P.D. or Priv.-Doz., is an academic title conferred at some European universities, especially in German-speaking countries, to someone who holds certain formal qualifications that denote an ability (''facultas docendi'') and permission to teach ('' venia legendi'') a designated subject at the highest level. To be granted the title Priv.-Doz. by a university, a recipient has to fulfill the criteria set by the university which usually require excellence in research, teaching, and further education. In its current usage, the title indicates that the holder has completed their habilitation and is therefore granted permission to teach and examine students independently without having a full professorship (chair). With respect to the level of academic achievement, the title of ''Privatdozent'' is comparable to that of an Associate Professor (United States), Senior Lecturer (United Kingdom), or ''maître de con ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Habilitation
Habilitation is the highest university degree, or the procedure by which it is achieved, in Germany, France, Italy, Poland and some other European and non-English-speaking countries. The candidate fulfills a university's set criteria of excellence in research, teaching, and further education, which usually includes a dissertation. The degree, sometimes abbreviated ''Dr. habil''. (), ''dr hab.'' (), or ''D.Sc.'' ('' Doctor of Sciences'' in Russia and some CIS countries), is often a qualification for full professorship in those countries. In German-speaking countries it allows the degree holder to bear the title ''PD'' (for ). In a number of countries there exists an academic post of docent, appointment to which often requires such a qualification. The degree conferral is usually accompanied by a public oral defence event (a lecture or a colloquium) with one or more opponents. Habilitation is usually awarded 5–15 years after a PhD degree or its equivalent. Achieving this ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Kurt Reidemeister
Kurt Werner Friedrich Reidemeister (13 October 1893 – 8 July 1971) was a mathematician born in Braunschweig (Brunswick), Germany. Life He was a brother of Marie Neurath. Beginning in 1912, he studied in Freiburg, Munich, Marburg, and Göttingen. In 1920, he got the (master's degree) in mathematics, philosophy, physics, chemistry, and geology. He received his doctorate in 1921 with a thesis in algebraic number theory at the University of Hamburg under the supervision of Erich Hecke. He became interested in differential geometry; he edited Wilhelm Blaschke's second volume on the topic, and both made an acclaimed contribution to the Jena DMV conference in September 1921. In October 1922 or 1923 he was appointed assistant professor at the University of Vienna. While there he became familiar with the work of Wilhelm Wirtinger on knot theory, and became closely connected to Hans Hahn and the Vienna Circle. Its 1929 manifesto lists one of Reidemeister's publications in a bibl ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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University Of Marburg
The Philipps University of Marburg () is a public research university located in Marburg, Germany. It was founded in 1527 by Philip I, Landgrave of Hesse, which makes it one of Germany's oldest universities and the oldest still operating Protestant university in the world. It is now a public university of the state of Hesse, without religious affiliation. The University of Marburg has about 23,500 students and 7,500 employees and is located in Marburg, a town of 76,000 inhabitants, with university buildings dotted in or around the town centre. About 14% of the students are international, the highest percentage in Hesse. It offers an international summer university programme and offers student exchanges through the Erasmus programme. History In 1609, the University of Marburg established the world's first professorship in chemistry. In 2012 it opened the first German interactive chemistry museum, called '. Its experimental course programme is aimed at encouraging young people ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Otto Von Bismarck
Otto, Prince of Bismarck, Count of Bismarck-Schönhausen, Duke of Lauenburg (; born ''Otto Eduard Leopold von Bismarck''; 1 April 1815 – 30 July 1898) was a German statesman and diplomat who oversaw the unification of Germany and served as its first Chancellor of Germany, chancellor from 1871 to 1890. Bismarck's ''Realpolitik'' and firm governance resulted in him being popularly known as the Iron Chancellor (). From Junker (Prussia), Junker landowner origins, Otto von Bismarck rose rapidly in Prussia, Prussian politics under King William I, German Emperor, Wilhelm I of Prussia. He served as the Prussian ambassador to Russian Empire, Russia and Second French Empire, France and in both houses of the Landtag of Prussia, Prussian parliament. From 1862 to 1890, he held office as the Minister President of Prussia, minister president and foreign minister of Prussia. Under Bismarck's leadership, Prussia provoked three short, decisive wars against Second Schleswig War, Denmark, Austr ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Rolf Lingenberg
Rolf is a male given name and a surname. It originates in the Germanic name ''Hrolf'', itself a contraction of ''Hrodwulf'' ( Rudolf), a conjunction of the stem words ''hrod'' ("renown") + ''wulf'' ("wolf"). The Old Norse cognate is ''Hrólfr''. An alternative but less common variation of ''Rolf'' in Norway is ''Rolv''. The oldest evidence of the use of the name Rolf in Sweden is an inscription from the 11th century on a runestone in Forsheda, Småland. The name also appears twice in the Orkneyinga sagas, where a scion of the jarls of Orkney, Gånge-Rolf, is said to be identical to the Viking Rollo who captured Normandy in 911. This Saga of the Norse begins with the abduction of Gói daughter by a certain Hrolf of Berg, (the Mountain). She is the daughter of Thorri, a Jotun of Gandvik, and sister of Gór and Nór. The latter is regarded as a first king and eponymous anchestor of Nórway. After a fierce duell (Holmgang) where none is able to overcome the other, Hrolf and Nór becom ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |