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CORNU, MARIE

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Originally appearing in Volume V07, Page 179 of the 1911 Encyclopedia Britannica.
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CORNU, See also:MARIE ,See also:ALFRED (1841—1902), See also:French physicist, was See also:born at See also:Orleans on the 6th of See also:March 1841, and after being educated at the Ecole Polytechnique and the Ecole See also:des Mines, became in 1867 See also:professor of experimental physics in the former institution, where he remained throughout his See also:life. Although he made various excursions into other branches of See also:physical See also:science, undertaking, for example, with J. B. A. Bailie about 187o a repetition of See also:Cavendish's experiment for determining the mean See also:density of the See also:earth, his See also:original See also:work was mainly concerned with See also:optics and See also:spectroscopy. In particular he carried out a classical redetermination of the velocity of See also:light by A. H. L. See also:Fizeau's method, introducing various improvements in the apparatus, which added greatly to the accuracy of the results. This achievement won for him, in 1878, the prix Lacaze and membership of the See also:Academy of Sciences in See also:France, and the See also:Rumford See also:medal of the Royal Society in See also:England. In 1899, at the See also:jubilee See also:commemoration of See also:Sir See also:George See also:Stokes, he was Rede lecturer at See also:Cambridge, his subject being the undulatory theory of light and its See also:influence on See also:modern physics; and on that occasion the honorary degree of D.Sc. was conferred on him by the university. He died at See also:Paris on the 11th of See also:April 1902.

End of Article: CORNU, MARIE

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