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Topic: Ehrenfried Walter von Tschirnhaus

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	Tschirnhausen (Site not responding. Last check: 2007-10-20)
		Ehrenfried Walther von Tschirnhaus (or Tschirnhausen) (April 10, 1651–October 11, 1708) was a German mathematician who worked in differential geometry.
		Tschirnhaus sought various means of income, such as a paid position at the Académie Royale des Sciences and a new method of producing porcelain.
		fr:Ehrenfried Walther von Tschirnhaus ru:Чирнхаус, Еренфрид Вальтер sv:Ehrenfried Walter von Tschirnhaus
	www.freecaviar.com /search.php?title=Tschirnhausen (233 words)

	1708 - Open Encyclopedia (Site not responding. Last check: 2007-10-20)
		J.S. Bach appointed as chamber musician and organist at the court in Weimar, Germany
		October 16 - Albrecht von Haller, Swiss anatomist and physiologist (died 1777)
		October 11 - Ehrenfried Walter von Tschirnhaus, mathematician
	open-encyclopedia.com /1708 (188 words)

	Tschirnhaus (Site not responding. Last check: 2007-10-20)
		Tschirnhaus began a European tour in 1674, visiting England where he met Wallis in Oxford and Collins in London.
		For some time Tschirnhaus had one aim in life and that was to obtain a paid position at the
		Tschirnhaus was a scientist, and among other things, he experimented making porcelain from clay mixed with fusible rock in the 1680s.
	www-groups.dcs.st-and.ac.uk /~history/Mathematicians/Tschirnhaus.html (307 words)

	1708 - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-20)
		April 23 - Friedrich von Hagedorn, German poet (d.
		October 16 - Albrecht von Haller, Swiss anatomist and physiologist (d.
		October 11 - Ehrenfried Walter von Tschirnhaus, German mathematician (b.
	en.wikipedia.org /wiki/1708 (329 words)

	Last years and posthumous influence. (from Benedict de Spinoza) -- Britannica Concise Encyclopedia - The online ...
		During the post-Ethica period, he was visited by several important people, among them Ehrenfried Walter von Tschirnhaus (in 1675), a scientist and philosopher, and Gottfried Wilhelm Leibniz (in 1676), like Spinoza, one of the foremost Rationalists of the time.
		The tone had been set by Pierre Bayle, a Skeptical philosopher and encyclopaedist, in whose Dictionnaire historique et critique Spinozism was described as “the most monstrous hypothesis imaginable, the most absurd”; and even David Hume, a Scottish Skeptic and historian, felt obliged to speak of the “hideous hypothesis” of Spinoza.
		Spinoza was rendered intellectually respectable by the efforts of literary critics, especially of the Germans G.E. Lessing and J.W. von Goethe and the English poet S.T. Coleridge, who admired the man and found austere excitement in his works, in which they saw an intensely religious attitude entirely divorced from dogma.
	www.britannica.com /ebc/article-6839 (475 words)

	Pair of Dresden Porcelain Candleabras
		It was the first successfully produced true porcelain in Europe and dominated the style of European porcelain manufactured until about 1756, after which the leadership ultimately passed to French Sèvres porcelain.
		The secret of true porcelain, similar to that produced in China, was discovered in about 1707 by Johann Friedrich Böttger, an alchemist, and Ehrenfried Walter von Tschirnhaus, a physicist, whose research into porcelain had earlier produced a stoneware that is the hardest known substance of its kind.
		The earliest porcelain was smoky in tone and not highly translucent, but improvements to it were subsequently made.
	www.lifestyleantiques.com /items/385152/item385152lifestyleantiques.html (200 words)

	After the discovery of the general solutions.
		Tschirnhaus invented a transformation that transforms an equation of degree n to an equation of degree n without the terms x
		George Birch Jerrard (1804--1863) later discovered, independent of Bring, a method of generalization of Brings result to an equation of any degree n.
		Gottfried Wilhelm von Leibniz (1646--1716) seems to be the first to verify del Ferros formulas and thereby giving an algebraic proof in contrary to the earlier existing geometrical proofs.
	hem.passagen.se /ceem/afterthe.htm (1415 words)

	American Scientist Online - Meissen Chymistry (Site not responding. Last check: 2007-10-20)
		Serving him was Ehrenfried Walter von Tschirnhaus, an aristocratic natural philosopher and polymath with a practical bent.
		Tschirnhaus convinced Augustus to put Böttger to the task of making "white gold," or porcelain.
		Set on his way by Tschirnhaus (who died in 1708), Böttger first made true, white porcelain in 1709 at the age of 27.
	www.americanscientist.org /template/AssetDetail/assetid/34141?&print=yes (1970 words)

	1708 - Encyclopedia Glossary Meaning Explanation 1708 (Site not responding. Last check: 2007-10-20)
		* April 23 - Friedrich von Hagedorn, German poet (died 1754)
		* October 16 - Albrecht von Haller, Swiss anatomist and physiologist (died 1777)
		* October 11 - Ehrenfried Walter von Tschirnhaus, German mathematician (b.
	www.encyclopedia-glossary.com /en/1708.html (202 words)

	History Of Porcelain - at All About China and Glass
		It is not known whether they succeeded in making it or not, but, certainly by the end of the 17th century, porcelain was being made in quantity, this time by a factory at Saint-Cloud, near Paris.
		The secret of true, or hard, porcelain similar to that of China was not discovered until about 1707 in Saxony, when Ehrenfried Walter von Tschirnhaus, assisted by an alchemist called Johann Friedrich Böttger, substituted ground feldspathic rock for the ground glass in the soft porcelain formula.
		By coincidence they apply also to the physical properties of the two substances: for example, soft porcelain can be cut with a file, whereas hard porcelain cannot.
	www.china-n-glass.com /History_Porcelain.htm (550 words)

	1708 . 1680s
		1754 October 16 - Albrecht von Haller, Swiss anatomist and physiologist died 1777 November 15 - William Pitt, 1st Earl of Chatham, British politician died 1778 December 8 - Francis I, Holy Roman Emperor died 1765 Pompeo Batoni, Italian painter died 1787 Richard Dawes, British classical scholar died 1766
		1666 October 11 - Ehrenfried Walter von Tschirnhaus, German mathematician b.
		The campus itself is a modified farmer s field - the administrative building is a converted dairy cow barn - but the...
	www.uk.kunsimuna.net /1708 (344 words)

	Deutsches Museum - Chemistry (Site not responding. Last check: 2007-10-20)
		The second room is a replica of a chemical laboratory from the time of Antoine Lavoisier (1743-1794), who introduced quantitative methods into chemical research.
		The 18th century produced some important discoveries in the chemistry of gases and a better understanding of the processes of respiration and combustion.
		He was professor of chemistry in Giessen up to 1852, and then in Munich until his death.
	www.deutsches-museum.de /ausstell/dauer/chemie/e_chemie.htm (499 words)

	MANUFACTURA PIRKENHAMMER. Porcelain.
		The first European soft-paste porcelain was made in Florence about 1575 at workshops under the patronage of Francesco I de' Medici, but it was not until the late 17th and 18th centuries that it was produced in quantity.
		The secret of true porcelain, similar to the porcelain of China, was discovered about 1707 at the Meissen factory in Saxony by Johann Friedrich Bottger and Ehrenfried Walter von Tschirnhaus.
		The standard English bone china body was produced around 1800, when Josiah Spode the Second added calcined bones to the hard-paste porcelain formula.
	www.pirken-hammer.com /porcelain_01.html (702 words)

	Business Fresh : Article 'Substitution rule' (Site not responding. Last check: 2007-10-20)
		At th end of th war, competing soviet, british, and U.S. militry and sientific crews raced to captur tecnolojy and traind persnel from th jermn roket program instlation at Peenemýnde.
		Aftr th war, sientists used rokets to study hy-altitude conditions (via radio-telemetry of tempratur and pressur of th atmosfere), cosmic rays, and othr topics.
		This continued undr von Braun and his coleges, ho became part of th U.S. sientific complex.
	www.business-fresh.net /DisplayArticle88347.html (782 words)

	Salem State College: Sextant
		It was Ehrenfried Walter von Tschirnhaus, who was trying to discover the process for making porcelain.
		There they discussed their research and the benefits of a lab outside of prison.
		Tschirnhaus was impressed with Böttger’s knowledge of chemistry and made sure Augustus knew that if anyone could make gold it would be Böttger.
	www.salemstate.edu /sextant/volXII_2/SEXT-bookshelf-chemistry.htm (546 words)

	History of Astronomy: Persons (T)
		Thales of Miletus [Thales von Milet] (624 BC - 546 BC)
		Triesnecker, Franz von Paula [Francis a Paula] (1745-1817)
		Konstantin E. Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia (See also here.)
	www.astro.uni-bonn.de /~pbrosche/persons/pers_t.html (367 words)

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