André Marie Ampère
Ampère, André Marie (ămˈpēr; Fr. äNdrāˈ märēˈ äNpĕrˈ) [key], 1775–1836, French physicist, mathematician, and natural philosopher. He was professor of mathematics at the École Polytechnique, Paris, and later at the Collège de France. Known for his contributions to electrodynamics, including the formulation of Ampère's law, he confirmed and amplified the work of Oersted on the relationship of electricity and magnetism, and he invented the astatic needle. The ampere was named for him. His writings include Recueil d'observations électro - dynamiques (1822) and Essai sur la philosophie des sciences (2 vol., 1834–43, vol. 1 repr. 1838).
See his Correspondance pub. by L. de Launay (3 vol., 1936–43).
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