André-Marie Ampère
French physicist and mathematician (1775-1836) · France · Scientists · Died at 61
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Something wrong?His name is the unit: every amp of current flowing through every circuit everywhere carries it. He built the mathematics that made electricity predictable, coined "electrodynamics," and turned invisible force into engineering.
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, Either one or the other [ analysis or synthesis ] may be direct or indirect.
There is synthesis when, in combining therein judgments that are made known to us from simpler relations, one deduces judgments from them relative to more complicated relations.
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Born 20 January 1775, Ampère taught himself mathematics and physics without formal schooling. After witnessing Hans Christian Ørsted's 1820 demonstration that electric current deflects a compass needle, he spent months working out the mathematical laws governing the relationship between electricity and magnetism - the foundation of classical electromagnetism. He invented the solenoid, named it, and contributed to early electrical telegraphy. The French Academy of Sciences made him a member; he taught at the École polytechnique and the Collège de France. He also coined "cinématique" (kinematic in English) from the Greek for movement. He died 10 June 1836, his name later inscribed on the Eiffel Tower among 72 others, and adopted as the SI unit of electric current.
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