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John Monroe Van Vleck (March 4, 1833–November 4, 1912) was an American mathematician and astronomer. He taught astronomy and mathematics at Wesleyan University in Middletown, Connecticut for more than 50 years (1853-1912), and served as acting university president twice.〔〔 The Van Vleck Observatory (at Wesleyan University)〔 and the crater Van Vleck on the Moon are named after him. ==Life and work== John Monroe Van Vleck was born on March 4, 1833, in Stone Ridge, New York; he was the son of Peter Van Vleck and Ann Hasbrouck.〔(John Monroe Van Vleck ), Descendants of Wolphert Gerretse Van Kouwenhoven〕 He graduated from Wesleyan University in 1850, and began teaching at Greenwich Academy. The degree of LL.D. was conferred on him by Northwestern University in 1876.〔 From 1851-53 he had been an assistant at the Nautical Almanac Office. He was married to Ellen Maria Burr on May 2, 1854. He taught astronomy and mathematics at Wesleyan University in Middletown, Connecticut for more than 50 years, serving as adjunct professor of Mathematics 1853-57, professor of Mathematics and Astronomy 1858-1904,〔 and professor emeritus 1904-12.〔 He served as the acting president for the university on two occasions, 1872–73 and 1887–89, the vice president 1890-93.〔 "THE SCIENCE FACULTY 1831-1861: Department of Astronomy", Wesleyan University, 2007-12-03, webpage: (WU-Fac ): states "Prof., 1885-1904" but should be "1858" not 1885. 〕〔 "John Monroe Van Vleck", Virtualology (from Appletons Encyclopedia), 2001, webpage: www.famousamericans.net/johnmonroevanvleck/ - states "since 1858 has held chair of mathematics & astronomy". 〕 In 1904 he was vice-president of the American Mathematical Society. He was a member of the Connecticut Academy of Arts and Sciences. In 1869 he was a member of the Solar Eclipse Expedition to Mount Pleasant, Iowa.〔 He was a fellow of the A.A.A.S.〔 His publications include "Tables giving the Positions of the Moon for 1855-'6" and for 1878-91, and similar "Tables giving the Positions of Saturn for 1857 to 1877" contributed to the "American Nautical Almanac".〔 The Van Vleck Observatory at Wesleyan University was named after him,〔 as was the crater Van Vleck on the Moon. His wife died December 26, 1899, but he lived an additional 12 years. J. M. van Vleck was survived by a son and three daughters, Anna, Clara, Edward Burr, and Jane.〔(Family Database ), Die Maus〕 Their son, Edward Burr Van Vleck, was a leading mathematician in the United States. Edward taught at the University of Wisconsin–Madison, where he became professor emeritus in 1926.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「John Monroe Van Vleck」の詳細全文を読む スポンサード リンク
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