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JACQUES ALEXANDRE CESAR CHARLES (1746...

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Originally appearing in Volume V05, Page 937 of the 1911 Encyclopedia Britannica.
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JACQUES

ALEXANDRE CESAR CHARLES (1746-1823)  , French mathematician and physicist, was born at
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Beaugency, Loiret, on the 12th of November 1746 . After spending some years as a clerk in the
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ministry of
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finance, he turned to scientific pursuits, and attracted considerable attention by his skilful and elaborate demonstrations of
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physical experiments . He was the first, in 1783, to employ hydrogen for the inflation of balloons (see
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AERONAUTICS), and about 1787 he anticipated Gay Lussac's law of the dilatation of gases with heat, which on that account is sometimes known by his name . In 1785 he was elected to the Academy of Sciences, and subsequently he became professor of physics at the Conservatoire
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des Arts et Metiers . He died in Paris on the 7th of
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April 1823 . His published papers are chiefly concerned with mathematical topics .

End of Article: JACQUES ALEXANDRE CESAR CHARLES (1746-1823)
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