Georg Ernst Stahl
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Georg Ernst Stahl | |
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![]() Georg Ernst Stahl | |
Born | October 22, 1659 |
Died | May 24, 1734 |
Nationality | German |
Alma mater | University of Jena |
Known for | phlogiston theory fermentation |
Scientific career | |
Fields | chemistry |
Institutions | University of Halle |
Georg Ernst Stahl (October 22, 1659 – May 24, 1734) was a German chemist and physician.
He was born at Ansbach. Having graduated in medicine at the University of Jena in 1683, he became court physician to Duke Johann Ernst of Sachsen Weimar in 1687. From 1694 to 1716 he held the chair of medicine at Halle, and was then appointed physician to King Friedrich Wilhelm I of Prussia in Berlin. It was in Berlin that he died.
In chemistry he is chiefly remembered in part with the obsolete phlogiston theory, the essentials of which, however, he owed to J.J. Becher. He also propounded a view of fermentation which in some respects resembles that supported by Justus von Liebig a century and half later. In medicine he professed an animistic system, in opposition to the materialism of Hermann Boerhaave and Friedrich Hoffmann.
He hypothesized that all matter had a vital force, or a soul of sorts. He burned wood, and crediting the lower mass of the ashes compared to the original wood to the leaving of the vital force, because the wood had been killed in the process of burning. This theory was replaced by that of Antoine Lavoisier.
The most important of his numerous writings are Zymotechnia fundamentalis sive fermentalionis theoria generalis (1697), which contains the phlogistic hypothesis; Specimen Becherianum (1702); Experimenta, observationes, aniniadversiones ... chymicae et physicae (1731); Theoria medica vera (1707); Ars sanandi cum expectalione (1730).
References
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public domain: Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press. {{cite encyclopedia}}
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- Carvallo, Sarah (2006). "[Stahl, Leibniz, Hoffmann and breathing]". Revue de synthèse / Centre international de synthèse. 127 (1): 43–75. PMID 17153053.
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ignored (help) - Magyar, László András (2005). "[Stahl on disease of courtiers]". Orvosi hetilap. 146 (48): 2468–9. PMID 16408388.
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ignored (help) - Helm, J (2000). "["Quod naturae ipsae sint morborum medicatrices." Hippocratism of Georg Ernst Stahl]". Medizinhistorisches Journal. 35 (3–4): 251–62. PMID 11210365.
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ignored (help) - Konert, J (1997). "Academic and practical medicine in Halle during the era of Stahl, Hoffmann, and Juncker". Caduceus (Springfield, Ill.). 13 (1): 23–38. PMID 9357114.
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ignored (help) - Gyözö, B (1996). "[Friedrich Hoffmann and Georg Ernst Stahl, classic representatives of baroque medicine]". Orvosi hetilap. 137 (10): 531–3. PMID 8713669.
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ignored (help) - Kaiser, W (1984). "[Georg Ernst Stahl (1659-1734)--on the 250th anniversary of his death 14 May 1984]". Zeitschrift für die gesamte innere Medizin und ihre Grenzgebiete. 39 (15): 371–6. PMID 6388168.
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ignored (help) - Bednarczyk, A (1981). "[Antimechanistic materialism in the 18th century philosophy of medicine. G. E. Stahl (1659-1734) and animism]". Archiwum historii medycyny. 44 (2): 163–87. PMID 7025787.
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ignored (help) - SCHULTHEISZ, E (1964). "[Georg Ernst Stahl.]". Orvosi hetilap. 105: 942–3. PMID 14159866.
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ignored (help) - HARMS, E (1960). "George Ernest STAHL (1660-1734)". The American journal of psychiatry. 117: 366–7. PMID 13711627.
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ignored (help)
- Articles needing cleanup from September 2009
- Cleanup tagged articles without a reason field from September 2009
- Wikipedia pages needing cleanup from September 2009
- 1659 births
- 1734 deaths
- People from Ansbach
- People from the Principality of Ansbach
- German chemists
- 17th-century German physicians
- 18th-century German physicians
- University of Jena alumni