René Just Haüy

René Just Haüy

René Just Haüy (pronounced|aɥi; February 28, 1743 in Saint-Just-en-Chaussée (Oise) – June 3, 1822 in Paris) was a French mineralogist, commonly styled the Abbé Haüy after he was made an honorary canon of Notre Dame.

Biography

Haüy was born at Saint-Just-en-Chaussée, in the "département" of Oise. His parents were of a humble rank of life, and were only enabled by the kindness of friends to send their son to the College of Navarre and later to the College of Lemoine. Haüy became an ordained Roman Catholic Priest. Becoming one of the teachers at Lemoine, he began to devote his leisure hours to the study of botany, but an accident directed his attention to another field in natural history. He happened to let fall a specimen of calcareous spar which belonged to a friend; examining the fragments, he was led to make experiments which resulted in the statement of the geometrical law of crystallization associated with his name.

The value of this discovery, the mathematical theory of which is given by Haüy in his "Traité de minéralogie", was immediately recognized, and when communicated to the Academy, it secured for its author a place in that society. Haüy's name is also known for the observations he made in pyroelectricity.

When the Revolution broke out, Haüy was thrown into prison; he was in danger of losing his life until Étienne Geoffroy Saint-Hilaire interceded on his behalf. In 1802, under Napoleon, he became professor of mineralogy at the National Museum of Natural History and founder of the Musée de Minéralogie, but after 1814 he was deprived of his appointments by the Restoration government. His final days were consequently clouded by poverty, but the courage and high moral qualities which had helped him in his youth did not desert him in his old age; he lived cheerful and respected till his death in Paris.

His brother was Valentin Haüy, the founder of the first school for the blind.

Works

The following are Haüy's principal works:

*"Essai d'une théorie sur la structure des crystaux" (1784) [http://gallica.bnf.fr/Catalogue/noticesInd/FRBNF30582574.htm BNF]
*"Exposition raisonné de la théorie de l'électricité et du magnétisme, d'après les principes d'Æpinus" (1787) [http://gallica.bnf.fr/Catalogue/noticesInd/FRBNF37284270.htm BNF]
*"De la structure considérée comme caractère distinctif des minéraux" (1793)
*"Exposition abrégé de la théorie de la structure des cristaux" (1793) [http://gallica.bnf.fr/Catalogue/noticesInd/FRBNF30582575.htm BNF]
*"Extrait d'un traité élémentaire de minéralogie" (1797)
*"Traité de minéralogie" (5 vols, 1801) BNF: [http://gallica.bnf.fr/notice?N=FRBNF37244002 Vol 1] [http://gallica.bnf.fr/notice?N=FRBNF37244010 Vol 2] [http://gallica.bnf.fr/notice?N=FRBNF37244017 Vol 3] [http://gallica.bnf.fr/notice?N=FRBNF37244025 Vol 4] [http://gallica.bnf.fr/notice?N=FRBNF37274582 Vol 5]
*"Traité élémentaire de physique" (2 vols 1803, 1806) [http://www.google.ca/books?id=3hgAAAAAQAAJ&dq=Trait%C3%A9+%C3%A9l%C3%A9mentaire+de+physique+hauy Google Books]
*"Tableau comparatif des résultats de la cristallographie, et de l'analyse chimique relativement à la classification des minéraux" (1809) [http://gallica.bnf.fr/Catalogue/noticesInd/FRBNF30582582.htm BNF]
*"Traité des pierres précieuses" (1817) [http://gallica.bnf.fr/notice?N=FRBNF37256934 BNF]
*"Traité de cristallographie " (2 vols, 1822) [http://www.google.ca/books?id=0-EKAAAAIAAJ&dq=Trait%C3%A9+de+cristallographie+hauy Google Books]

He also contributed papers, of which 100 are enumerated in the Royal Society's catalogue, to various scientific journals, especially the "Journal de physique" and the "Annales du Museum d'Histoire Naturelle".

References

*
* [http://www.newadvent.org/cathen/07152a.htm Catholic Encyclopedia 1917]


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  • René-Just Haüy — René Just Haüy. René Just Haüy (* 28. Februar 1743 in Saint Just en Chaussée an der Oise; † 3. Juni 1822 in Paris) war ein französischer Mineraloge. Nach ihm ist ein Mineral, der Haüyn benannt. Er beschrieb das Symmetriegesetz der Kristallogra …   Deutsch Wikipedia

  • René Just Haüy — Pour les articles homonymes, voir Haüy. René Just Haüy L abbé René Just Haüy, né le 28 février 1743 à Saint Just en Chaussée dans l Oi …   Wikipédia en Français

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