Lagrange

JOSEPH LOUIS, (lah-granzh',) one of the most illustrious mathematicians of modern times, B. in Turin, 1736, was of French extraction and the grandson of Des cartes. He became director of the academy of Berlin, 1759; settled in Paris, 1787; and was there succe ively profe or at the Normal and Polytechnic schools. Napoléon made him a count, and loaded him with honors. His most important discovery is that of the calculus of variations. His greatest work is the Mécanique Analytique, which appeared in 1787. D. 1813. Lagrange', in Georgia, a vill., C. of Troup co., abt. 40 m. N. of Columbus. Pop. 2,053.- In Indiana, a N.E. co., b. upon Michigan; area, 384 sq. m.; C. La Grange. Pop. 14,146. [s. 523]