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Jakob Friedrich Ehrhart ( 1742, Holderbank, Aargau – 1795 ) was a German botanist, a pupil of Carolus Linnaeus at Uppsala University, and later Director of the Botanical Garden of Hannover, where he produced several major botanical works between 1780 – 1793.
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Jakob and Friedrich
He studied medicine under Friedrich Gustav Jakob Henle at the University of Göttingen and graduated in 1866.
At Göttingen he studied Plato with Arnold Heeren ; history with Heeren and Gottlieb Jakob Planck ; Arabic, Hebrew, New Testament Greek and scripture interpretation with Albert Eichhorn ; natural science with Johann Friedrich Blumenbach ; German literature with Georg Friedrich Benecke ; French and Italian literature with Artaud and Bunsen ; and classics with Georg Ludolf Dissen.
His pupils included Anton Colander, Christoph Bernhard, Matthias Weckmann, Heinrich Albert, Johann Theile, Friedrich Werner, Philipp Stolle Johann Nauwach, Caspar Kittel, Christoph Kittel, Clemens Thieme, Johann Klemm, Johann Vierdanck, David Pohle, Constantin Christian Dedekind, Johann Jakob Loewe ( or Löwe ), Johann Kaspar Horn, Friedrich von Westhoff, Adam Krieger, Johann Wilhelm Furchheim, Carlo Farina.
Neo-Kantianism refers broadly to the revival of the type of philosophy explained by Immanuel Kant and of the interpretations of Kant provied by post-Kantian philosophers such as Schopenhauer, Jakob Friedrich Fries and Johann Friedrich Herbart.
Finding himself without the means to complete his theological studies under Johann August Wilhelm Neander and Friedrich August Tholuck in Berlin, he accepted a post at Basel as tutor in Oriental languages to Johann Jakob Stähelin ( 1797 – 1875 ), later a professor at the university.
He studied under the guidance of scholars such as Alexander von Humboldt, Leopold von Ranke, Friedrich von Schelling and Jakob Grimm, who all laid the foundations of human geography and historical research in the modern sense, as an expression of the Enlightenment.
In addition, by the time he submitted his dissertation in 1804 ( September ), he was in regular contact at Jena with Jakob Friedrich Fries and Karl David Ilgen, who perhaps led him to his contact with Johann Severin Vater, a scholar whose work he both admired and, in some respects, duplicated independently.
The expulsion in 1837 of the seven professors – Die Göttinger Sieben – the Germanist, Wilhelm Eduard Albrecht ( 1800 – 1876 ); the historian Friedrich Christoph Dahlmann ( 1785 – 1860 ); the orientalist Georg Heinrich August Ewald ( 1803 – 1875 ); the historian Georg Gottfried Gervinus ( 1805 – 1875 ); the physicist Wilhelm Eduard Weber ( 1804 – 1891 ); and the philologists, the brothers Jakob ( 1785 – 1863 ) and Wilhelm Grimm ( 1786 – 1859 ), for protesting against the revocation by King Ernest Augustus I of Hanover of the liberal constitution of 1833, further reduced the prosperity of the university.
Jakob studied from 1844 to 1848 at the University of Bonn, whose philological school, under Friedrich Gottlieb Welcker and Friedrich Wilhelm Ritschl ( whose favourite pupil Bernays became ), was the best in Germany.
Jakob and Ehrhart
Jakob and 1742
Of the seven sons of Benzelius, three later were appointed archbishops of Uppsala, one after the other: Erik ( 1675-1743, appointed 1742, but died before taking office ), Jakob ( 1683-1747, archbishop from 1744 ), and Henrik ( 1689-1758, archbishop from 1747 ).
Jakob and –
Alfons Maria Jakob ( 2 July 1884, Aschaffenburg / Bavaria – 17 October 1931, Hamburg ) was a German neurologist with important contributions on neuropathology.
The concept of allotropy was originally proposed in 1841 by the Swedish scientist Baron Jöns Jakob Berzelius ( 1779 – 1848 ).
Creutzfeldt – Jakob disease ( ) or CJD is a degenerative neurological disorder ( brain disease ) that is incurable and invariably fatal.
CJD is at times called a human form of mad cow disease ( bovine spongiform encephalopathy or BSE ) even though classic CJD is not related to BSE ; however, given that BSE is believed to be the cause of variant Creutzfeldt – Jakob ( vCJD ) disease in humans, the two are often confused.
The disease has also been shown to result from use of Human Growth Hormone obtained from the pituitary glands of persons who died from Creutzfeldt – Jakob Disease, though the known incidence of this cause is ( as of April 2004 ) quite small.
In the U. S., the FDA has banned import of any donor sperm, motivated by a risk of Creutzfeldt – Jakob disease, inhibiting the once popular import of, for example, Scandinavian sperm.
The famous fugue composer Johann Sebastian Bach ( 1685 – 1750 ) shaped his own works after those of Johann Jakob Froberger ( 1616 – 1667 ), Johann Pachelbel ( 1653 – 1706 ), Girolamo Frescobaldi ( 1583 – 1643 ), Dieterich Buxtehude ( c. 1637 – 1707 ), and other composers.
In 1842 the Swedish chemist Baron Jöns Jakob Berzelius proposed the term " halogen " – ἅλς ( háls ), " salt " or " sea ", and γεν-( gen -), from γίγνομαι ( gígnomai ), " come to be " – for the four elements ( fluorine, chlorine, bromine, and iodine ) that produce a sea-salt-like substance when they form a compound with a metal.
John Jacob Astor ( born Johann Jakob Astor ; July 17, 1763 – March 29, 1848 ) was a German-American business magnate, merchant and investor who was the first prominent member of the Astor family and the first multi-millionaire in the United States.
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