Gay-Lussac

JOSEPH LOUIS, (gā-loo's ak,) one of the most distinguished chemists and physicists of this century, B. at St. Léonard, France, 1778, became a pupil of the celebrated Berthollet. In 1804, accompanied by M. Biot, he made a balloon ascent of 13,000 ft., for the purpose of discovering the intensity of the magnetic force. In 1806 he became a member of the Academy of Sciences. In 1831, he entered the Chamber of Deputies; became profe or of chemistry at the Jardin des Plantes in 1832; and was created a peer of France in 1839. D. 1850. [s. 398]