Peirce, Benjamin 1809-
Scientist; born in Salem, Mass., April 4, 1809; graduated at Harvard College in 1829; became tutor in mathematics there in 1831, and from 1842 to 1867 was Perkins Professor of Astronomy and Mathematics, and was also consulting astronomer to The Ephemcris and Nautical almanac from its establishment in 1849. Dr. Peirce was a pupil of Dr. Bowditch's, and read the proof-sheets of his translation of the Mecanique Celeste. In September, 1867, he was appointed superintendent of the United States Coast Survey, which post he held until his death in Cambridge, Mass., Oct. 6, 1880. He was a member of leading scientific societies at home and abroad; an associate of the Royal Astronomical Society of London, 1842; member of the Royal Society of London, 1852; president of the American Association for the Advancement of Science in 1853; and one of the scientific council that established the Dudley Observatory at Albany, N. Y., in 1855. Dr. Peirce published many scientific essays; and in 1851 discovered and announced the fluidity of Saturn's rings.