1.
Groningen
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Groningen is the main municipality as well as the capital city of the eponymous province in the Netherlands. With a population of 201,865 as of 2016, it is the largest city in the north of the Netherlands, an old city, Groningen was the regional power of the northern Netherlands, a semi-independent city-state and member of the German Hanseatic League. Groningen is a university city, it houses the University of Groningen, the city was founded on the northernmost point of the Hondsrug area. The oldest document referring to Groningens existence dates from 1040, in the 13th century, when Groningen was an important trade centre, its inhabitants built a city wall to underline its authority. The city had a influence on the surrounding lands and made its dialect a common tongue. The most influential period of the city was the end of the 15th century, during these years, the Martinitoren was built, which loomed over the city at 127 metres tall. The citys independence came to an end when in 1536, it chose to accept Emperor Charles V, later, it joined the Republic of the Seven United Provinces. In 1614, the University of Groningen was founded, initially only for religious education, in the same period the city expanded rapidly and a new city wall was built. That same city wall was tested during the Third Anglo-Dutch War in 1672, the city walls resisted, an event that is still celebrated with music and fireworks on August the 28th. The city did not escape the devastation of World War II, in particular, the main square, the Grote Markt, was largely destroyed in April 1945 in the Battle of Groningen. However, the Martinitoren, its church, the Goudkantoor, the University of Groningen has a rich academic tradition that dates back to 1614. After the University of Leiden, it is the second oldest Dutch university,200,000 people were either students, teachers or researchers at the university. Groningen has the highest percentage of students by total population, approximately 25 percent, the city is nationally known as the Metropolis of the North and as Martinistad referring to the tower of the Martinitoren, named after its patron saint Martin of Tours. The large number of living in Groningen also contributes to a diverse cultural scene for a city of its size. The most important and most famous museum in Groningen is the Groninger Museum, with the construction of its current building, designed by Alessandro Mendini, the museum has been transformed into one of the most modern and innovative of its kind in the Netherlands. In addition, the city has a museum, a university museum, a comics museum. Groningen is also home of Noorderlicht, a photographic platform that runs a photo gallery. Groningen has a city theatre, located on the Turfsingel, a big theatre and concert venue called Martini Plaza, vera is located on the Oosterstraat, the Grand Theatre on the Grote Markt, and Simplon on the Boterdiep
2.
Leiden
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Leiden is a city and municipality in the Dutch province of South Holland. Leiden is located on the Oude Rijn, at a distance of some 20 kilometres from The Hague to its south, the recreational area of the Kaag Lakes lies just to the northeast of Leiden. A university city since 1575, Leiden houses Leiden University, the oldest university of the Netherlands, Leiden is a city with a rich cultural heritage, not only in science, but also in the arts. One of the worlds most famous painters, Rembrandt, was born, other famous Leiden painters include Lucas van Leyden, Jan van Goyen and Jan van Steen. The city has one of Europes most prominent scientific centres for more than four centuries. Modern scientific medical research and teaching started in the early 18th century in Leiden with Boerhaave, many important scientific discoveries have been made here, giving rise to Leiden’s motto, ‘City of Discoveries’. It is twinned with Oxford, the location of the United Kingdoms oldest university, Leiden University and Leiden University of Applied Sciences together have around 35,000 students. Leiden is a university city, university buildings are scattered throughout the city. Leiden was formed on a hill at the confluence of the rivers Oude. In the oldest reference to this, from circa 860, the settlement was called Leithon, the name is said to be from Germanic *leitha- canal. Leiden has in the past erroneously been associated with the Roman outpost Lugdunum Batavorum and this particular castellum was thought to be located at the Burcht of Leiden, and the citys name was thought to be derived of the Latin name Lugdunum. However the castellum was in closer to the town of Katwijk. The landlord of Leiden, situated in a stronghold on the hill, was subject to the Bishop of Utrecht. This county got its name in 1101 from a domain near the stronghold, Leiden was sacked in 1047 by Emperor Henry III. Early 13th century, Ada, Countess of Holland took refuge here when she was fighting in a war against her uncle, William I. He besieged the stronghold and captured Ada, Leiden received city rights in 1266. In 1389, its population had grown to about 4,000 persons, burgrave Filips of Wassenaar and the other local noblemen of the Hook faction assumed that the duke would besiege Leiden first and send small units out to conquer the surrounding citadels. But John of Bavaria chose to attack the citadels first and he rolled the cannons with his army but one which was too heavy went by ship
3.
Heidelberg University
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Heidelberg University is a public research university in Heidelberg, Baden-Württemberg, Germany. Founded in 1386 on instruction of Pope Urban VI, Heidelberg is Germanys oldest university and it was the third university established in the Holy Roman Empire. Heidelberg has been an institution since 1899. The university consists of twelve faculties and offers programmes at undergraduate, graduate. The language of instruction is usually German, while a number of graduate degrees are offered in English. Associated with 31 Nobel Prize laureates, the university places an emphasis on research, modern scientific psychiatry, psychopharmacology, psychiatric genetics, environmental physics, and modern sociology were introduced as scientific disciplines by Heidelberg faculty. Approximately 1,000 doctorates are completed every year, with more than one third of the students coming from abroad. International students from some 130 countries account for more than 20 percent of the student body. The universitys noted alumni include eleven domestic and foreign Heads of State or Heads of Government, the Great Schism of 1378 made it possible for Heidelberg, a relatively small city and capital of the Electorate of the Palatinate, to gain its own university. The Great Schism was initiated by the election of two popes after the death of Pope Gregory XI in the same year, one successor resided in Avignon and the other in Rome. Rupert I recognized the opportunity and initiated talks with the Curia, as specified in the papal charter, the university was modelled after University of Paris and included four faculties, philosophy, theology, jurisprudence, and medicine. On 18 October 1386 a special Pontifical High Mass in the Heiliggeistkirche was the ceremony that established the university, on 19 October 1386 the first lecture was held, making Heidelberg the oldest university in Germany. In November 1386, Marsilius of Inghen was elected first rector of the university, the rector seal motto was semper apertus—i. e. The book of learning is always open, the university grew quickly and in March 1390,185 students were enrolled at the university. This resulted in establishing a reputation for the university and its professors. Due to the influence of Marsilius, the university initially taught the nominalism or via moderna, the transition from scholastic to humanistic culture was effected by the chancellor and bishop Johann von Dalberg in the late 15th century. Humanism was represented at Heidelberg University particularly by the founder of the older German Humanistic School Rudolph Agricola, Conrad Celtes, Jakob Wimpfeling, and Johann Reuchlin. Æneas Silvius Piccolomini was chancellor of the university in his capacity of provost of Worms, in 1482, Pope Sixtus IV permitted laymen and married men to be appointed professors in the ordinary of medicine through a papal dispensation
4.
University of Groningen
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The University of Groningen is a public research university in the city of Groningen in the Netherlands. The university was founded in 1614 and is one of the oldest universities in the Netherlands as well as one of its largest, since its inception more than 200,000 students have graduated. It is a member of the distinguished international Coimbra Group of European universities, in April 2013, according to the results of the International Student Barometer, the University of Groningen, for the third time in a row, has been voted the best university of the Netherlands. In 2014 the university celebrated its 400th anniversary, the University of Groningen has ten faculties, nine graduate schools,27 research centres and institutes, and more than 175 degree programmes. There were four faculties – Theology, Law, Medicine, the coat of arms of the university was confirmed by the States of the City and County of Groningen in 1615. It consists of the arms, charged with an open book inscribed with the abbreviated words VER/BVM/DNI LV/CER/NA. The shield is surmounted by a crown of five leaves. The first 75 years of its existence were very fruitful for the University with about 100 students enrolling every year, on average two to three hundred students were registered with the University at any one time during this period. Opportunities and threats followed on each other’s heels during the nineteenth century, in 1815, at the same time as Leiden and Utrecht, the University gained recognition as a national college of higher education, but this was followed by discussions about closure. The situation improved markedly when a new university building, the Academiegebouw, was constructed in 1850. This made the fire completely destroyed this building in 1906 even more poignant. In the meantime, the Higher Education Act of 1876 had radically improved the position of the University, teaching now took place in Dutch as well as in Latin and the University was given a research as well as an educational duty. This laid the foundations for the present research university, the University of Groningen developed apace during the first decades of the twentieth century. The number of faculties and courses grew steadily while the number of students showed an explosive growth, when the University celebrated its first 300 years in 1914 there were 611 registered students, this had already grown to 1000 by 1924. After a drop back during the Depression, and in particular during the Second World War, in 2016 the Dutch chemist Ben Feringa, who worked most of his career at the university, won the Nobel prize for his work on molecular motors. Other strong research groups are in, Nanoscience, Physics, Molecular Biology, Microbiology, Medical Sciences, Neurosciences, Sociology, Philosophy, Theology, Archaeology and Arts. Every year more than 5,000 research publications go to print, the University of Groningen is a member of the so-called Excellence Group of the best universities in Europe. The Excellence Group has 56 members, which is 1.3 percent of the approximately 4,500 European institutions of higher education, the University of Groningen belongs to the top 100 large comprehensive research universities in the world
5.
Superconductivity
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It was discovered by Dutch physicist Heike Kamerlingh Onnes on April 8,1911, in Leiden. Like ferromagnetism and atomic spectral lines, superconductivity is a mechanical phenomenon. It is characterized by the Meissner effect, the ejection of magnetic field lines from the interior of the superconductor as it transitions into the superconducting state. The occurrence of the Meissner effect indicates that superconductivity cannot be simply as the idealization of perfect conductivity in classical physics. The electrical resistance of a metallic conductor decreases gradually as temperature is lowered, in ordinary conductors, such as copper or silver, this decrease is limited by impurities and other defects. Even near absolute zero, a sample of a normal conductor shows some resistance. In a superconductor, the resistance drops abruptly to zero when the material is cooled below its critical temperature, an electric current flowing through a loop of superconducting wire can persist indefinitely with no power source. In 1986, it was discovered that some cuprate-perovskite ceramic materials have a temperature above 90 K. Such a high temperature is theoretically impossible for a conventional superconductor. There are many criteria by which superconductors are classified, by theory of operation, It is conventional if it can be explained by the BCS theory or its derivatives, or unconventional, otherwise. By material, Superconductor material classes include chemical elements, alloys, ceramics, on the other hand, there is a class of properties that are independent of the underlying material. For instance, all superconductors have exactly zero resistivity to low applied currents when there is no magnetic field present or if the field does not exceed a critical value. The resistance of the sample is given by Ohms law as R = V / I, if the voltage is zero, this means that the resistance is zero. Superconductors are also able to maintain a current with no applied voltage whatsoever, experiments have demonstrated that currents in superconducting coils can persist for years without any measurable degradation. Experimental evidence points to a current lifetime of at least 100,000 years, theoretical estimates for the lifetime of a persistent current can exceed the estimated lifetime of the universe, depending on the wire geometry and the temperature. In a normal conductor, an electric current may be visualized as a fluid of electrons moving across an ionic lattice. As a result, the energy carried by the current is constantly being dissipated and this is the phenomenon of electrical resistance and Joule heating. The situation is different in a superconductor, in a conventional superconductor, the electronic fluid cannot be resolved into individual electrons
6.
Physics
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Physics is the natural science that involves the study of matter and its motion and behavior through space and time, along with related concepts such as energy and force. One of the most fundamental disciplines, the main goal of physics is to understand how the universe behaves. Physics is one of the oldest academic disciplines, perhaps the oldest through its inclusion of astronomy, Physics intersects with many interdisciplinary areas of research, such as biophysics and quantum chemistry, and the boundaries of physics are not rigidly defined. New ideas in physics often explain the mechanisms of other sciences while opening new avenues of research in areas such as mathematics. Physics also makes significant contributions through advances in new technologies that arise from theoretical breakthroughs, the United Nations named 2005 the World Year of Physics. Astronomy is the oldest of the natural sciences, the stars and planets were often a target of worship, believed to represent their gods. While the explanations for these phenomena were often unscientific and lacking in evidence, according to Asger Aaboe, the origins of Western astronomy can be found in Mesopotamia, and all Western efforts in the exact sciences are descended from late Babylonian astronomy. The most notable innovations were in the field of optics and vision, which came from the works of many scientists like Ibn Sahl, Al-Kindi, Ibn al-Haytham, Al-Farisi and Avicenna. The most notable work was The Book of Optics, written by Ibn Al-Haitham, in which he was not only the first to disprove the ancient Greek idea about vision, but also came up with a new theory. In the book, he was also the first to study the phenomenon of the pinhole camera, many later European scholars and fellow polymaths, from Robert Grosseteste and Leonardo da Vinci to René Descartes, Johannes Kepler and Isaac Newton, were in his debt. Indeed, the influence of Ibn al-Haythams Optics ranks alongside that of Newtons work of the same title, the translation of The Book of Optics had a huge impact on Europe. From it, later European scholars were able to build the devices as what Ibn al-Haytham did. From this, such important things as eyeglasses, magnifying glasses, telescopes, Physics became a separate science when early modern Europeans used experimental and quantitative methods to discover what are now considered to be the laws of physics. Newton also developed calculus, the study of change, which provided new mathematical methods for solving physical problems. The discovery of new laws in thermodynamics, chemistry, and electromagnetics resulted from greater research efforts during the Industrial Revolution as energy needs increased, however, inaccuracies in classical mechanics for very small objects and very high velocities led to the development of modern physics in the 20th century. Modern physics began in the early 20th century with the work of Max Planck in quantum theory, both of these theories came about due to inaccuracies in classical mechanics in certain situations. Quantum mechanics would come to be pioneered by Werner Heisenberg, Erwin Schrödinger, from this early work, and work in related fields, the Standard Model of particle physics was derived. Areas of mathematics in general are important to this field, such as the study of probabilities, in many ways, physics stems from ancient Greek philosophy
7.
Delft University of Technology
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Delft University of Technology, also known as TU Delft, is the largest and oldest Dutch public technological university, located in Delft, Netherlands. With eight faculties and numerous research institutes, it hosts over 19,000 students, more than 3,300 scientists, and more than 2,200 support and management staff. The university was established on 8 January 1842 by King William II of the Netherlands as a Royal Academy, Dutch Nobel laureates Jacobus Henricus van t Hoff, Heike Kamerlingh Onnes, and Simon van der Meer have been associated with TU Delft. TU Delft is a member of several university federations including the IDEA League, CESAER, UNITECH, one of the purposes of the academy was to educate civil servants for the colonies of the Dutch East India Company. The first director of the academy was Antoine Lipkens, constructor of the first Dutch optical telegraph, Royal Academy had its first building located at Oude Delft 95 in Delft. On 23 May 1863 an Act was passed imposing regulations on technical education in the Netherlands, on 20 June 1864, Royal Academy in Delft was disbanded by a Royal Decree, giving a way to a Polytechnic School of Delft. The newly formed school educated engineers of various fields and architects, yet another Act, passed on 22 May 1905, changed the name of the school to Technical College of Delft, emphasizing the academic quality of the education. Polytechnic was granted university rights and was allowed to award academic degrees, the number of students reached 450 around that time. The official opening of the new school was attended by Queen Wilhelmina of the Netherlands on 10 July 1905, First dean of the newly established College was ir. J. Kraus, hydraulic engineer. In 1905, the first doctoral degree was awarded, from 1924 until the construction of the new campus in 1966 the ceremonies were held in the Saint Hippolytus Chapel. Corporate rights were granted to the College on 7 June 1956, most of the university buildings during that time were located within Delft city centre, with some of the buildings set on the side of the river Schie, in the Wippolder district. Student organizations grew together with the university, the first to be established on 22 March 1848 is the Delftsch Studenten Corps housed in the distinctive Sociëteit Phoenix on the Phoenixstraat. This was followed by the Delftsche Studenten Bond|de Delftsche Studenten Bond, in 1917 Proof Garden for Technical Plantation was established by Gerrit van Iterson, which today is known as Botanical Garden of TU Delft. In that period a first female professor, Toos Korvezee, was appointed, after the end of World War II, TU Delft increased its rapid academic expansion. Studium Generale was established at all universities in the Netherlands, including TU Delft, to promote a free and accessible knowledge related to culture, technology, society and science. Because of the number of students, in 1974 the first Reception Week for First Year Students was established. Since 2006 all buildings of the university are located outside of the city center of Delft. Relatively new building of Material Sciences department was sold, later demolished in 2007 to give place for a newly built building of the Haagse Hogeschool, closer cooperation between TU Delft and Dutch universities of applied sciences resulted in physical transition of some of the institutes from outside to Delft
8.
Gustav Kirchhoff
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Gustav Robert Kirchhoff was a German physicist who contributed to the fundamental understanding of electrical circuits, spectroscopy, and the emission of black-body radiation by heated objects. He coined the term black body radiation in 1862, and two different sets of concepts are named Kirchhoffs laws after him, there is also a Kirchhoffs Law in thermochemistry, the Bunsen–Kirchhoff Award for spectroscopy is named after him and his colleague, Robert Bunsen. Gustav Kirchhoff was born in Königsberg, Prussia, the son of Friedrich Kirchhoff, a lawyer, in the same year, he moved to Berlin, where he stayed until he received a professorship at Breslau. Later, in 1857, He married Clara Richelot, the daughter of his mathematics professor Richelot and he married Luise Brömmel in 1872. Kirchhoff formulated his laws, which are now ubiquitous in electrical engineering, in 1845. He completed this study as an exercise, it later became his doctoral dissertation. In 1857 he calculated that a signal in a resistanceless wire travels along the wire at the speed of light. He proposed his law of radiation in 1859, and gave a proof in 1861. He was called to the University of Heidelberg in 1854, where he collaborated in work with Robert Bunsen. Together Kirchhoff and Bunsen discovered caesium and rubidium in 1861, at Heidelberg he ran a mathematico-physical seminar, modelled on Neumanns, with the mathematician Leo Koenigsberger. Among those who attended this seminar were Arthur Schuster and Sofia Kovalevskaya, in 1875 Kirchhoff accepted the first chair specifically dedicated to theoretical physics at Berlin. In 1862 he was awarded the Rumford Medal for his researches on the lines of the solar spectrum. He also contributed to optics, carefully solving Maxwells equations to provide a foundation for Huygens principle. In 1884 he became member of the Royal Netherlands Academy of Arts. Kirchhoff died in 1887, and was buried in the St Matthäus Kirchhof Cemetery in Schöneberg, leopold Kronecker is buried in the same cemetery. Kirchhoffs first law is that the sum of currents in a network of conductors meeting at a point is zero. The second law is that in a circuit, the directed sums of the voltages in a closed system is zero. A solid, liquid, or dense gas excited to emit light will radiate at all wavelengths, a low-density gas excited to emit light will do so at specific wavelengths and this produces an emission spectrum
9.
Cryogenics
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In physics, cryogenics is the study of the production and behaviour of materials at very low temperatures. It is not well-defined at what point on the temperature scale refrigeration ends and cryogenics begins, but scientists assume a gas to be cryogenic if it can be liquefied at or below −150 °C. The U. S. National Institute of Standards and Technology has chosen to consider the field of cryogenics as that involving temperatures below −180 °C or −292.00 °F or 93.15 K. A person who studies elements that have been subjected to cold temperatures is called a cryogenicist. Cryogenicists use the Kelvin or Rankine temperature scales present in nature, Cryogenics The branches of physics and engineering that involve the study of very low temperatures, how to produce them, and how materials behave at those temperatures. Cryobiology The branch of biology involving the study of the effects of low temperatures on organisms, cryoconservation of animal genetic resources The conservation of genetic material with the intention of conserving a breed. Cryosurgery The branch of surgery applying very low temperatures to destroy malignant tissue, cryoelectronics The field of research regarding superconductivity at low temperatures. Cryotronics The practical application of cryoelectronics, Cryonics Cryopreserving humans and animals with the intention of future revival. Cryogenics is sometimes used to mean Cryonics in popular culture. The word cryogenics stems from Greek kρύο – cold + genic – having to do with production, Cryogenic fluids with their boiling point in kelvins Liquefied gases, such as liquid nitrogen and liquid helium, are used in many cryogenic applications. Liquid nitrogen is the most commonly used element in cryogenics and is legally purchasable around the world, Liquid helium is also commonly used and allows for the lowest attainable temperatures to be reached. These liquids may be stored in Dewar flasks, which are double-walled containers with a vacuum between the walls to reduce heat transfer into the liquid. Typical laboratory Dewar flasks are spherical, made of glass and protected in a metal outer container, Dewar flasks for extremely cold liquids such as liquid helium have another double-walled container filled with liquid nitrogen. Dewar flasks are named after their inventor, James Dewar, the man who first liquefied hydrogen, thermos bottles are smaller vacuum flasks fitted in a protective casing. Cryogenic barcode labels are used to mark dewar flasks containing these liquids, Cryogenic transfer pumps are the pumps used on LNG piers to transfer liquefied natural gas from LNG carriers to LNG storage tanks, as are cryogenic valves. The field of cryogenics advanced during World War II when scientists found that metals frozen to low temperatures showed more resistance to wear, based on this theory of cryogenic hardening, the commercial cryogenic processing industry was founded in 1966 by Ed Busch. This evolved in the late 1990s into the treatment of other parts, cryogens, such as liquid nitrogen, are further used for specialty chilling and freezing applications. Some chemical reactions, like those used to produce the active ingredients for the popular statin drugs, special cryogenic chemical reactors are used to remove reaction heat and provide a low temperature environment
10.
Helium
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Helium is a chemical element with symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and its boiling point is the lowest among all the elements. Its abundance is similar to figure in the Sun and in Jupiter. This is due to the high nuclear binding energy of helium-4 with respect to the next three elements after helium. This helium-4 binding energy also accounts for why it is a product of nuclear fusion and radioactive decay. Most helium in the universe is helium-4, and is believed to have formed during the Big Bang. Large amounts of new helium are being created by fusion of hydrogen in stars. Helium is named for the Greek god of the Sun, Helios and it was first detected as an unknown yellow spectral line signature in sunlight during a solar eclipse in 1868 by French astronomer Jules Janssen. Janssen is jointly credited with detecting the element along with Norman Lockyer, Janssen observed during the solar eclipse of 1868 while Lockyer observed from Britain. Lockyer was the first to propose that the line was due to a new element, the formal discovery of the element was made in 1895 by two Swedish chemists, Per Teodor Cleve and Nils Abraham Langlet, who found helium emanating from the uranium ore cleveite. In 1903, large reserves of helium were found in gas fields in parts of the United States. Liquid helium is used in cryogenics, particularly in the cooling of superconducting magnets, a well-known but minor use is as a lifting gas in balloons and airships. As with any gas whose density differs from that of air, inhaling a small volume of helium temporarily changes the timbre, on Earth it is relatively rare—5.2 ppm by volume in the atmosphere. Most terrestrial helium present today is created by the radioactive decay of heavy radioactive elements. Previously, terrestrial helium—a non-renewable resource, because once released into the atmosphere it readily escapes into space—was thought to be in short supply. The first evidence of helium was observed on August 18,1868, the line was detected by French astronomer Jules Janssen during a total solar eclipse in Guntur, India. This line was assumed to be sodium. He concluded that it was caused by an element in the Sun unknown on Earth, Lockyer and English chemist Edward Frankland named the element with the Greek word for the Sun, ἥλιος
11.
Arnhem
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Arnhem /ˈɑːrnəm/ or /ˈɑːrnhɛm/ is a city and municipality, situated in the eastern part of the Netherlands. It is the capital of the province of Gelderland and located on banks of the rivers Nederrijn and Sint-Jansbeek, which was the source of the citys development. Arnhem had a population of 151,356 in 2014 and is one of the cities of the Netherlands. The municipality is part of the city region Arnhem-Nijmegen, which has a combined 736,500 inhabitants, Arnhem is home to the Hogeschool van Arnhem en Nijmegen, ArtEZ Institute of the Arts, Netherlands Open Air Museum, Royal Burgers Zoo and National Sports Centre Papendal. The oldest archeological findings of human activity around Arnhem are two firestones of about 70,000 years ago and these come from the stone age, when the Neanderthals lived in this part of Europe. In Schuytgraaf, remnants of a camp from around 5000 BC have been discovered. In Schaarsbergen,12 grave mounds were found from 2400 BC, the earliest settlement in Arnhem dates from 1500 BC, of which traces have been found on the Hoogkamp, where the Van Goyenstraat is currently located. Arnhem arose on the location where the road between Nijmegen and Utrecht/Zutphen split, Seven streams provided the city with water, and only when the flow of the Rhine was changed in 1530, was the city located on the river. Arnhem was first mentioned as such in 893 as Arneym or Arentheym, in 1233 Count Otto II of Guelders from Zutphen, conferred city rights on the town, which had belonged to the abbey of Prüm, settled in, and fortified it. Arnhem entered the Hanseatic League in 1443, in 1473, it was captured by Charles the Bold of Burgundy. In 1514, Charles of Egmond, duke of Guelders, took it from the dukes of Burgundy, in 1543, as capital of the so-called Kwartier van Veluwe it joined the Union of Utrecht during the Eighty years war in 1579. After its capture from the Spanish forces by Dutch and English troops in 1585 the city part of the Republic of the Seven United Provinces of the Netherlands. The French occupied the town 1672–74, from 1795 to 1813, it was reoccupied by the French, by both revolutionary and imperial forces. In the early 19th century, the fortifications were almost completely dismantled. The Sabelspoort is the remaining part of the medieval walls. In the 19th century, Arnhem was a resort town famous for its picturesque beauty. It was known as het Haagje van het oosten, mainly because a number of former sugar barons or planters from the Indies settled there. Even now the city is famous for its parks and greenery, the urbanization in the north on hilly terrain is also quite unusual for the Netherlands
12.
Floris Verster
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Floris Hendrik Verster was a Dutch painter. Verster came from an artistic family and his father, Abraham Florentius Verster van Wulverhorst, was an administrator of the National Museum of Natural History in Leiden and a renowned scholar and painter of birds. His younger brother Cees developed into an art critic and later a curator of the Stedelijk Museum De Lakenhal in Leiden, Hendrik took drawing lessons from Gerardus Johannes Bos and, in the winter of 1878-79, from George Hendrik Breitner when he briefly worked as a lecturer in Leiden. Between 1880 and 1884 Verster continued his training at the Royal Academy of Art in The Hague where he counted among his fellow-students George Hendrik Breitner, Isaac Israëls, after graduation, he briefly attended classes at Amedee Bourson in Brussels. From 1882-1892 he shared a studio in Leiden with his future brother-in-law, until about 1885 he worked in the style of the Hague School. The next seven years he experimented in still life painting under the influence of his brother-in-law and of French painters Antoine Vollon, as a colorist he excelled, his passionate color vision differing from the current Hague School style. In Brussels he met Jan Toorop and other members of the artists group Les Vingt. Partly under their influence Verster began working with a rough brush strokes and he gained success with his large and exuberant works of floral still lifes and landscapes. In 1891 he took part in the salon of Les XX in Brussels, between 1892 and 1900 his work underwent a metamorphosis as it became almost entirely devoted to drawings in crayons with serene subjects. From 1900 onwards he began to paint and established himself as a celebrated artist in the Netherlands, major collections of his works are in the Kröller-Müller Museum and the Stedelijk Museum De Lakenhal in Leiden. He died from an accident in 1927
