See also:ALFRED (1841—1902), 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 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:work was mainly concerned with
See also:optics and spectroscopy . In particular he carried out a classical redetermination of the velocity of
See also:light by A . H . L . 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 Academy of Sciences in France, and the Rumford medal of the Royal Society in England . In 1899, at the
See also:commemoration of
See also:George Stokes, he was Rede lecturer at Cambridge, his subject being the undulatory theory of light and its 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 .
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