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ETIENNE LOUIS MALUS (1775-1812)

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Originally appearing in Volume V17, Page 517 of the 1911 Encyclopedia Britannica.
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ETIENNE See also:LOUIS See also:MALUS (1775-1812)  , See also:French physicist, was See also:born at See also:Paris on the 23rd of See also:June 1775 . He entered the military See also:engineering school at See also:Mezieres; but, being regarded as a suspected See also:person, he was dismissed without receiving a See also:commission, and obliged to enter the See also:army as a private soldier . Being employed upon the fortifications of See also:Dunkirk, he attracted the See also:notice of the director of the See also:works, and was selected as a member of the Ecole polytechnique then to be established under G . See also:Monge . After three years at the Ecole he was admitted into the See also:corps of See also:engineers, and served in the army of the Sambre and See also:Meuse; he was See also:present at the passage of the See also:Rhine in 1797, and at the affairs of Ukratz and Altenkirch . In 1798 he joined the See also:Egyptian expedition and remained in the See also:East till 18or . On his return he held See also:official posts successively at See also:Antwerp, See also:Strassburg and Paris, and devoted himself to See also:optical See also:research . A See also:paper published in 1809 (" Sur une propriete de la lumiere reflechie See also:par See also:les corps diaphanes ") contained the See also:discovery of the polarization of See also:light by reflection, which is specially associated with his name, and in the following See also:year he won a See also:prize from the See also:Institute with his memoir, " Theorie de la See also:double See also:refraction de la lumiere dans les substances cristallines." He died of See also:phthisis in Paris on the 23rd of See also:February 1812 .

End of Article: ETIENNE LOUIS MALUS (1775-1812)
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