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Topic: Justus von Liebig

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Justus Liebig

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	Justus von Liebig - Wikipedia, the free encyclopedia
		Freiherr Justus von Liebig (May 12, 1803 in Darmstadt, Germany - April 18, 1873 in Munich, Germany) was a German chemist.
		Liebig went to the University of Bonn, to study with Karl Wilhelm Gottlob Kastner.
		Liebig improved organic analysis, and discovered that plants feed on the nitrogen (actually microbes do the conversions to nitrogen compounds) and carbon dioxide in the air, as well as on minerals in the soil.
	en.wikipedia.org /wiki/Justus_von_Liebig (390 words)

	JUSTUS VON LIEBIG (Site not responding. Last check: 2007-10-21)
		Justus von Liebig, the son of a dealer in painters' supplies and common chemicals, was born in Darmstadt, Germany, on May 12, 1803.
		Truly Justus von Liebig deserves the praise and remembrance of mankind in general and chemists specificallyquite an accolade for one labeled "hopelessly useless" by his school master.
		Twigg, C.A. and Twigg, M.V., "Centenary of the Death of Justus von Liebig",
	www.woodrow.org /teachers/chemistry/institutes/1992/Liebig.html (1290 words)

	JUSTUS VON, BARON LIEBIG - LoveToKnow Article on JUSTUS VON, BARON LIEBIG (Site not responding. Last check: 2007-10-21)
		He remained at Giessen for, twenty-eight years, until in 1852 he accepted the invitation of the Bavarian government to the ordinary chair of chemistry at Munich university, and this office he held, although he was offered the chair at Berlin in 1865, until his death, which occurred at Munich on the foth of April 1873.
		Apart from Liebigs labors for the improvement of chemical teaching, the influence of his experimental researches and of his contributions to chemical thought was felt in every branch of the science.
		His contributions to inorganic chemistry were numerous, including investigations on the compounds of antimony, aluminium, silicon, andc., on the separation of nickel and cobalt, and on the analysis of mineral waters, but they are outweighed in importance by his work on organic substances.
	www.1911encyclopedia.org /L/LI/LIEBIG_JUSTUS_VON_BARON.htm (849 words)

	Hort 306 - READING 31-2
		Liebig's monograph laid the foundation of a plant mineral nutrient theory that was a precursor for the fertilizer N-P-K mentality of crop fertility.
		Liebig seems to waver as to the role of humus as the source of plant C. His opinion that humus per se was not assimilated by plants was "proof" that the humus theory was not valid.
		However, although Liebig knew of the benefits of manures from a N standpoint, he opted, erroneously, for a purely atmospheric origin for plant N. The fact that Liebig was a "compiler and summarizer" of the importance of mineral nutrients placed his mineral element theory on an unsound foundation (Marschner, 1986).
	www.hort.purdue.edu /newcrop/history/lecture31/r_31-2.html (5039 words)

	Justus von Liebig and Friedrich Wöhler (Site not responding. Last check: 2007-10-21)
		Justus von Liebig (1803—1873) and Friedrich Wöhler (1800—1882) were friends who helped make organic chemistry a field of systematic study within the framework of known chemical laws.
		Liebig learned to perform chemical operations as a child in his father's small laboratory, which was maintained to support the family drug and painting-materials business in Darmstadt, Germany.
		The friendship between Liebig and Wöhler began in 1825 after they amicably resolved a dispute over two substances that had apparently the same composition—cyanic acid and fulminic acid—but very different characteristics: The silver compound of fulminic acid, investigated by Liebig was explosive, whereas silver cyanate, as Wöhler found, was not.
	www.chemheritage.org /EducationalServices/chemach/cssb/vlw.html (779 words)

	Liebig and Plant Nutrition - A Tribute on his 125th death anniversary (1803 - 1973) (Site not responding. Last check: 2007-10-21)
		The greatest achievement of German chemist Justus von Liebig, Professor in Giessen and Munich, was his discovery of soil fertilisation by means of minerals, thereby revolutionising food supply and founding the branch of agricultural chemistry.
		Liebig was born on May 12, 1803 as the son of a chemists in Darmstadt.
		Liebig confirmed the view of some of his predecessors that plants take their carbon content from the carbon dioxide in the atmosphere, their mineral constituents being taken from the soil.
	www.germanembassy-india.org /news/98may/gn06.htm (492 words)

	Justus von Liebig, Baron Biography / Biography of Justus von Liebig, Baron Biography Biography
		The German chemist Baron Justus von Liebig (1803-1873) was one of the pioneers in the field of organic chemistry and introduced the science of agricultural chemistry.
		Justus Liebig was born in Darmstadt on May 12, 1803, the son of a druggist and dealer in chemicals.
		Liebig was a student in chemistry at both Bonn and Erlangen and received his doctoral degree from the latter university in 1822.
	www.bookrags.com /biography-justus-von-liebig-baron (266 words)

	AllRefer.com - Liebig, Justus, Baron von (Chemistry, Biography) - Encyclopedia
		Liebig, Justus, Baron von[yoos´toos bArOn´ fun lE´bikh] Pronunciation Key, 1803–73, German chemist.
		Liebig improved methods of organic analysis and investigated organic compounds such as uric acid.
		Liebig refuted the prevalent theory that plants derive their nourishment from humus and emphasized the importance to plants of the nitrogen and carbon dioxide of the air and of the mineral constituents of the soil; subsequently he did important work in the development of artificial fertilizers.
	reference.allrefer.com /encyclopedia/L/Liebig-J.html (240 words)

	Liebig condenser - Wikipedia, the free encyclopedia
		The Liebig condenser is a piece of laboratory equipment where a coiled glass pipe goes through a water jacket (a glass cylinder through which water constantly flows).
		The Liebig condenser is much more efficient than a simple retort due to its use of liquid cooling.
		Though named after the German chemist Justus Baron von Liebig, he cannot be given credit for having invented it because it was already in use for some time before him.
	en.wikipedia.org /wiki/Liebig_condenser (157 words)

	Law of the Minimum (Site not responding. Last check: 2007-10-21)
		Justus von Liebig's Law of the Minimum states that yield is proportional to the amount of the most limiting nutrient, whichever nutrient it may be.
		Liebig thought that plants derived most of their nitrogen content from the air as well, which is somewhat correct for legumes, but not true for other plants.
		Justus von Liebig (1803-1873) was a German chemist who spent the early part of his accomplished career as a pioneer in organic chemistry.
	www.soils.wisc.edu /~barak/soilscience326/lawofmin.htm (450 words)

	Sportscience History Makers - Liebig
		Liebig restudied protein compounds (alkaloids previously discovered by the chemist Mulder), and concluded that muscular exertion by horses or humans required mainly protein, not carbohydrate and fat.
		Liebig argued that consuming his extract and meat would help the body perform extra "work" to convert plant material into useful substances (Holmes, 1974; Shenstone, 1895).
		Liebig, a giant in his field at the time, fell prey to a common dilemma: how to capitalize on commercial efforts while maintaining academic respectability.
	www.sportsci.org /news/history/liebig/liebig.html (784 words)

	Chrono-Biographical Sketch: Justus von Liebig
		Liebig was one of the nineteenth century's front-rank chemists, both for his leading work in developing the fields of organic chemistry and agricultural chemistry, and for his efforts on behalf of the professionalization of the science.
		First, Liebig helped debunk the commonly held notion that plant fertility was due only to organic substances, showing that minerals, water, and atmospheric gases were of primary import, and thus paving the way for all manner of physiological ecology-related environmental studies.
		Liebig also introduced the "law of the minimum," the idea that agricultural crop yield is directly related to the least available critical nutrient, whatever that may be in a particular instance.
	www.wku.edu /~smithch/chronob/LIEB1803.htm (307 words)

	[No title]
		Justus Von Liebig was a scientist who not only made important intellectual contributions to organic chemistry, but also created a new system of education that would from the basis of modern university graduate training.
		Liebig was the first of many chemistry professors who became "breeders" within their discipline, and Liebig's graduates used their knowledge to: 1) train a second generation of chemists and 2) create a new synthetic world of organic substances.
		Liebig's enthusiasm in Paris soon caught the attention of the German scientist and naturalist Alexander von Humboldt, who pressured the Grand Duke of Hesse to appoint the young man of twenty-one extraordinary professor of chemistry at the University of Giessen in 1824.
	academic.udayton.edu /history/ch~8.htm (7139 words)

	[No title]
		Justus von Liebig was born in Darmstadt, Germany on the disputed date of May 10, 1803, according to A. Hofmann, Liebig's most famous student.
		Liebig writes that this was because his classes were not to his liking, but it is also believed that his father could no longer afford tuition as heavy taxes were leveed against Hessen-Darmstadt for allegiances to the French before Napoleon's defeat in 1815.
		Liebig opened the doors of laboratory research and education of thousands of European chemists, while Pauling was influential in the development of x-ray crystallography and the study of the chemical bond and also founded such institutions as the Linus Pauling Institute of Science and Medicine and the Linus Pauling Heart foundation.
	ed.augie.edu /~srmoeckl/pl.htm (3001 words)

	LIEBIG, Justus von, Chimie organique appliquee... (Site not responding. Last check: 2007-10-21)
		Liebig (1803-73), professor of chemistry at the University of Munich, was a pioneer in the field of organic chemistry.
		Liebig proved that surface soil was augmented by cultivation; that carbonic acid was the plant's only source of carbon, and ammonia their only source of nitrogen.
		Liebig's ignorance of vegetable anatomy was sharply criticized because of his inaccuracies regarding the value of artificial fertilizers and his rejection of humus.
	www.polybiblio.com /blroot/673.html (145 words)

	No. 1652: Justis von Liebig
		Baron Justus von Liebig was born in Darmstadt in 1803.
		Liebig is honored for his work in organic, pharmacological, and agricultural chemistry.
		It was a compound Liebig had already anticipated, a form of benzene with one hydrogen atom replaced by an amino group.
	www.uh.edu /engines/epi1652.htm (548 words)

	Mendel Chapter 4 (Site not responding. Last check: 2007-10-21)
		Justus von Liebig was the son of a druggist and was born in 1803 at Darmstadt.
		This discovery directly challenged the concept that the 'chemistry of life' was operating under different rules, and also suggested that it might be possible to study what was going on in a living organism using the traditional tools of the chemist.
		The personalities of the two men could not have been more different, but their work together lead to some fundamental breakthroughs in chemistry, including the fact that the spatial configuration of atoms joined into molecules is an important property of compounds.
	www.brooklyn.cuny.edu /bc/ahp/MBG/MBG4/Liebig.html (502 words)

	Euro Collections International :: View Product
		Justus von Liebig was born on May 12, 1803 in Darmstadt Germany.
		Justus von Liebig found little satisfaction in the formal education available at the time, and instead preferred to help his father in the family business working with chemicals.
		After Justus von Liebig finished university, he traveled to Paris to work with Joseph Louis Gay-Lussac, who was the forefront of chemical research at the time.
	eurocollections.com /catalog?product=887 (350 words)

	Justus Von Liebig - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-10-21)
		Von Johann Rudolph Glauber bis Justus von Liebig.
		Liebig und seine Schüler : Die neue Schule der Chemie
		Justus von Liebig, "Hochwohlgeborner Freyherr": D. Briefe an Georg von Cotta u.d.
	encyclopedia.worldsearch.com /justus_von_liebig.htm (94 words)

	Adolf von Baeyer - Biography
		Johann Friedrich Wilhelm Adolf von Baeyer was born on October 31, 1835, in Berlin, as the son of Johann Jakob Baeyer and Eugenie née Hitzig.
		On the death of Justus von Liebig in 1873, Baeyer was called to his Chair in the University of Munich and there, over many years, built up an excellent new chemical laboratory.
		Adolf von Baeyer married Adelheid (Lida) Bendemann in 1868.
	nobelprize.org /chemistry/laureates/1905/baeyer-bio.html (790 words)

	LIEBIG, JUSTUS VON (1803 - 1873) (Site not responding. Last check: 2007-10-21)
		One of the most formidable figures in chemistry during the mid-nineteenth century was Justus von Liebig.
		Liebig played a leading role in the development of large scientific laboratories and agricultural experimental stations.
		Liebig's Die Organische Chemie in ihre Anwendung auf Agricultur und Physiologie (organic chemistry in its applications to agriculture and physiology) supported the view that the source of carbon assimilated into plant substances is atmospheric carbon dioxide, and that the source of hydrogen and oxygen is water.
	www.scs.uiuc.edu /~mainzv/exhibit/liebig.htm (264 words)

	Monthly Review: Liebig, Marx, and the depletion of soil fertility: relevance for today's agriculture - German chemist ...
		This period saw the growth of "guano imperialism" as nations scoured the globe for natural fertilizers; the emergence of modern soil science; the gradual introduction of synthetic fertilizers; and the formation of radical proposals for the development of a sustainable agriculture, aimed ultimately at the elimination of the antagonism between town and country.
		Johnston, whom Marx was to call "the English Liebig," traveled to North America, and in his influential work Notes on North America documented the loss of natural soil fertility, demonstrating in particular the depleted condition of the soil in New York as compared to the more fertile farmlands to the West.
		In his Letters on Modern Agriculture (1859), Liebig argued that the "empirical agriculture" of the trader gave rise to a "spoliation system" in which the "conditions of the reproduction" of the soil were violated.
	www.findarticles.com /p/articles/mi_m1132/is_n3_v50/ai_21031831 (1302 words)

	Romania - History of Liebig Trade Cards
		Liebig cards collection is still very appreciated today for their high quality of printing and design which was never really matched by any other company.
		Liebig Company did not give presents to those who completed their albums, because collectors considered the cards themselves as the gift; in fact, as time went by, cards' value increased.
		When Liebig Company, which had been taken over by the English company Brook Bond Ltd, stopped publishing in 1975 most people thought that Liebig cards would loose their value as no new emissions were being added.
	www.tkinter.smig.net /Romania/LiebigCards/info.htm (979 words)

	Liebig, Justus (Site not responding. Last check: 2007-10-21)
		In 1824 Liebig became professor in Giessen where he established a laboratory to teach the methods of chemical research.
		Liebig´s work covered technical chemistry (galvanoplastic, silver-plating of glass etc.), analytical chemistry (separation of Ni and Co, quantitative determination of prussic acid, methods for organic elementary analysis), research in inorganic chemistry (isomerism of cyanic and fulminic acid) and research in organic chemistry especially on ´radicals´ (benzaldehyde etc.), sometimes in co-operation with Friedrich Wöhler.
		Liebig is also one of the founders of agricultural chemistry (mineral fertilisers and extract of beef).
	www.euchems.org /Distinguished/19thCentury/liebigjustus.asp (135 words)

	Liebig, Justus, Freiherr von -- Encyclopædia Britannica (Site not responding. Last check: 2007-10-21)
		Justus von Liebig, photograph by F. Hanfstaengl, 1868.
		Justus von Liebig, original carte de visite photograph, 1868.
		The poet and prose writer Verner von Heidenstam led the literary reaction to the naturalist movement in Sweden, calling for a renaissance of the literature of fantasy, beauty, and national themes.
	www.britannica.com /eb/article-9048177 (592 words)

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