Amedo Carlo Avogadro

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Amedeo Carlo Avogadro was born in Turin , Italy in 1776 to a noble family of Piedmont , Italy. He graduated in ecclesiastical law at the early age of 21 and began to practice. Soon after, he dedicated himself to physics and mathematics (then called positive philosophy), and in 1809 started teaching them at a liceo (high school) in Vercelli, where his family had property. In 1811, he published an article with the title ("Essay on Determining the Relative Masses of the Elementary Molecules of Bodies and the Proportions by Which They Enter These Combinations"), which contains Avogadro's hypothesis. Avogadro submitted this essay to a French journal, Jean-Claude Delamétherie's (Journal of Physics, Chemistry and Natural History) so it was written in French, not Italian. In 1820, he became professor of physics at the University of Turin. After the downfall of the French Emperor Napoléon in 1815, Piedmont again came under the control of the King of Piedmont-Sardinia, ruling from Turin. Avogadro was active in the revolutionary movements of 1821 against King Victor Emmanuel I. As a result, he lost his chair in 1823 (or, as the university officially declared, it was "very glad to allow this interesting scientist to take a rest from heavy teaching duties, in order to be able to give better attention to his researches") Eventually, King Charles Albert granted a Constitution (Statuto Albertino) in 1848. Well before this, Avogadro had been recalled to the university in Turin in 1833, where he taught for another twenty years. Little is known about Avogadro's private life, which appears to have been sober and religious. He married Felicita Mazzé and had six children. Some historians suggest that he sponsored some Sardinian revolutionaries, who were stopped by the announcement of Charles Albert's constitution. Avogadro held posts dealing with statistics, meteorology, and
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