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Alexis Claude Clairault |
 | | Alexis Claude Clairault (or Clairaut) (May 3, 1713 - May 17, 1765), French mathematician, at Paris, where his father was a teacher of mathematics. |
 | | In 1736, together with Pierre Louis Maupertuis, he took part in the expedition to Lapland, which was undertaken for the purpose of estimating a degree of the meridian, and on his return he published his treatise Théorie de la figure de la terre (1743). |
 | | In this work he promulgated the theorem, known as "Clairault’s theorem[?]," which connects the gravity at points on the surface of a rotating ellipsoid with the compression and the centrifugal force at the equator. |
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