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Julius Ruska
Julius Ferdinand Ruska (9 February 1867, Bühl, Baden – 11 February 1949, Schramberg) was a German orientalist, historian of science and educator. He was a critical scholar of alchemical literature, and of Islamic science, raising many issues on attributions and sources of the texts, and providing translations. The range of his studies was wide, including the '' Emerald Tablet'', a basic hermetic text. From 1924 he headed an institute in Heidelberg, where he has been a student. Of his seven children, Ernst Ruska and Helmut Ruska Helmut Ruska (June 7, 1908, Heidelberg - August 30, 1973) was a German physician and biologist from Heidelberg. After earning his medical degree, he spent several years working as a physician at hospitals in Heidelberg and Berlin. During this time, ... were distinguished in their fields. Books * Sources * * External links *Comprehensive biographical and bibliographical site 1867 births 1949 deaths People from Bühl (Baden) People ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bühl (Baden)
The city of Bühl (Low Alemannic German, Low Alemannic: ''Bihl'') is part of the Rastatt (district), district of Rastatt in the southwestern state of Baden-Württemberg, Germany. It has a history reaching back to the twelfth century and was formerly an agricultural town, especially famous for its plums. Bühl has a population of about 29,000, and is in the region between the Rhine, Rhine Valley and the Black Forest. Today it is mainly an industrial town, especially in the car manufacturing supply industry. Yet it still has preserved its character and is also renowned for its good restaurants. Bühl is a town in the southwestern state of Baden-Württemberg, Germany, about South of Baden-Baden. Bühl is the third largest town in Rastatt County (Landkreis), after Rastatt itself and Gaggenau. Due to its location, size and importance it has become a central place for numerous towns, townships and villages in the neighbourhood. Bühl was proclaimed a major district town (Große Kre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helmut Ruska
Helmut Ruska (June 7, 1908, Heidelberg - August 30, 1973) was a German physician and biologist from Heidelberg. After earning his medical degree, he spent several years working as a physician at hospitals in Heidelberg and Berlin. During this time, he also worked closely with his brother Ernst Ruska (1906-1988) and brother-in-law Bodo von Borries (1905-56), who were both research scientists at Siemens-Reiniger-Werke. Ernst Ruska was the inventor of the electron microscope, and later winner of a Nobel Prize. From 1948 to 1951, Helmut Ruska was a professor at the University of Berlin, in 1952 he moved to the United States where he was a micromorphologist for the New York State Department of Health in Albany. He returned to Germany in 1958 as director of biophysics at the University of Düsseldorf. Through close association with his brother, Helmut Ruska is remembered for developing the electron microscope for biological and medical applications. He was the first scientist to study ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
German Orientalists
German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Germanic peoples (Roman times) * German language **any of the Germanic languages * German cuisine, traditional foods of Germany People * German (given name) * German (surname) * Germán, a Spanish name Places * German (parish), Isle of Man * German, Albania, or Gërmej * German, Bulgaria * German, Iran * German, North Macedonia * German, New York, U.S. * Agios Germanos, Greece Other uses * German (mythology), a South Slavic mythological being * Germans (band), a Canadian rock band * "German" (song), a 2019 song by No Money Enterprise * ''The German'', a 2008 short film * "The Germans", an episode of ''Fawlty Towers'' * ''The German'', a nickname for Congolese rebel André Kisase Ngandu See also * Germanic (other) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Historians Of Science
The history of science covers the development of science from ancient history, ancient times to the present. It encompasses all three major branches of science: natural science, natural, social science, social, and formal science, formal. Science's earliest roots can be traced to Ancient Egypt and Mesopotamia around 3000 to 1200 Common Era, BCE. These civilizations' contributions to mathematics, astronomy, and medicine influenced later Greek natural philosophy of classical antiquity, wherein formal attempts were made to provide explanations of events in the Universe, physical world based on natural causes. After the fall of the Western Roman Empire, knowledge of Science in classical antiquity, Greek conceptions of the world deteriorated in Latin-speaking Western Europe during the early centuries (400 to 1000 CE) of the Middle Ages, but continued to thrive in the Greek-speaking Byzantine Empire, Eastern Roman (or Byzantine) Empire. Aided by translations of Greek texts, the Hell ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
German Scholars
German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Germanic peoples (Roman times) * German language **any of the Germanic languages * German cuisine, traditional foods of Germany People * German (given name) * German (surname) * Germán, a Spanish name Places * German (parish), Isle of Man * German, Albania, or Gërmej * German, Bulgaria * German, Iran * German, North Macedonia * German, New York, U.S. * Agios Germanos, Greece Other uses * German (mythology), a South Slavic mythological being * Germans (band), a Canadian rock band * "German" (song), a 2019 song by No Money Enterprise * ''The German'', a 2008 short film * "The Germans", an episode of ''Fawlty Towers'' * ''The German'', a nickname for Congolese rebel André Kisase Ngandu See also * Germanic (other) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From The Grand Duchy Of Baden
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1949 Deaths
Events January * January 1 – A United Nations-sponsored ceasefire brings an end to the Indo-Pakistani War of 1947. The war results in a stalemate and the division of Kashmir, which still continues as of 2022. * January 2 – Luis Muñoz Marín becomes the first democratically elected Governor of Puerto Rico. * January 11 – The first "networked" television broadcasts take place, as KDKA-TV in Pittsburgh, Pennsylvania goes on the air, connecting east coast and mid-west programming in the United States. * January 16 – Şemsettin Günaltay forms the new government of Turkey. It is the 18th government, last single party government of the Republican People's Party. * January 17 – The first VW Type 1 to arrive in the United States, a 1948 model, is brought to New York by Dutch businessman Ben Pon. Unable to interest dealers or importers in the Volkswagen, Pon sells the sample car to pay his travel expenses. Only two 1949 models are sold in Amer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1867 Births
Events January–March * January 1 – The Covington–Cincinnati Suspension Bridge opens between Cincinnati, Ohio, and Covington, Kentucky, in the United States, becoming the longest single-span bridge in the world. It was renamed after its designer, John A. Roebling, in 1983. * January 8 – African-American men are granted the right to vote in the District of Columbia. * January 11 – Benito Juárez becomes Mexican president again. * January 30 – Emperor Kōmei of Japan dies suddenly, age 36, leaving his 14-year-old son to succeed as Emperor Meiji. * January 31 – Maronite nationalist leader Youssef Bey Karam leaves Lebanon aboard a French ship for Algeria. * February 3 – '' Shōgun'' Tokugawa Yoshinobu abdicates, and the late Emperor Kōmei's son, Prince Mutsuhito, becomes Emperor Meiji of Japan in a brief ceremony in Kyoto, ending the Late Tokugawa shogunate. * February 7 – West Virginia University is established in Morgantown, West Virgin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ernst Ruska
Ernst August Friedrich Ruska (; 25 December 1906 – 27 May 1988) was a German physicist who won the Nobel Prize in Physics in 1986 for his work in electron optics, including the design of the first electron microscope. Life and career Ernst Ruska was born in Heidelberg, Germany. He was educated at the Technical University of Munich from 1925 to 1927 and then entered the Technical University of Berlin, where he posited that microscopes using electrons, with wavelengths 1000 times shorter than those of light, could provide a more detailed picture of an object than a microscope utilizing light, in which magnification is limited by the size of the wavelengths. In 1931, he demonstrated that a magnetic coil could act as an electron lens, and used several coils in a series to build the first electron microscope in 1933. After completing his PhD in 1933, Ruska continued to work in the field of electron optics, first at Fernseh AG in Berlin-Zehlendorf, and then from 1937 at Sieme ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schramberg
Schramberg is a town in the district of Rottweil, in Baden-Württemberg, Germany. It is situated in the eastern Black Forest, 25 km northwest of Rottweil. With all of its districts (Talstadt, Sulgen, Waldmössingen, Heiligenbronn, Schönbronn and Tennenbronn (since 2006)), it has about 22,000 inhabitants. One of the streams flowing through the Schramberg valley is the Schiltach. The "Bach na Fahrt", a traditional raft race held on Carnival Monday, is known far and wide and attracts up to 30,000 spectators each year. Nearby towns and municipalities The following towns and municipalities border Schramberg: Lauterbach, Schiltach, Aichhalden, Fluorn-Winzeln, Oberndorf am Neckar, Bösingen, Dunningen, Eschbronn, Hardt, Königsfeld im Schwarzwald, Sankt Georgen im Schwarzwald, Triberg im Schwarzwald (Schwarzwald-Baar-Kreis) and Hornberg (Ortenaukreis). History The origins of Schramberg date back to the year 1293, when the locality was first described as "Schrammenberg" ("w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heidelberg
Heidelberg (; Palatine German language, Palatine German: ''Heidlberg'') is a city in the States of Germany, German state of Baden-Württemberg, situated on the river Neckar in south-west Germany. As of the 2016 census, its population was 159,914, of which roughly a quarter consisted of students. Located about south of Frankfurt, Heidelberg is the List of cities in Baden-Württemberg by population, fifth-largest city in Baden-Württemberg. Heidelberg is part of the densely populated Rhine-Neckar, Rhine-Neckar Metropolitan Region. Heidelberg University, founded in 1386, is Germany's oldest and one of Europe's most reputable universities. Heidelberg is a Science, scientific hub in Germany and home to several internationally renowned #Research, research facilities adjacent to its university, including the European Molecular Biology Laboratory and four Max Planck Society, Max Planck Institutes. The city has also been a hub for the arts, especially literature, throughout the centurie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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