Joseph Winlock (astronomer)
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'''Joseph Winlock''' (February 6, [[1826]]–June 11, [[1875]]) was an [[United States|American]] [[astronomer]] and [[mathematician]].
He was born in [[Shelby County, Kentucky]], the grandson of General Joseph Winlock ([[1758]]–[[1831]]). After graduating from Shelby College in [[Kentucky]] in [[1845]], he was appointed professor of professor of mathematics and astronomy at the institution.
From [[1852]] until [[1857]] he worked as a [[computer (astronomer term)|computer]] for the ''[[American Ephemeris and Nautical Almanac]]'', and relocated to [[Cambridge, Massachusetts]]. He briefly served as head of the department of mathematics at the [[United States Naval Academy]], but returned as superintendent of the Almanac office.
In [[1863]] he was one of the fifty charter members of the [[United States National Academy of Sciences|National Academy of Sciences]]. Three year later in [[1866]] he became director of the [[Harvard College Observatory]], succeeding [[George Phillips Bond|George Bond]], and making many improvements in the facility. He was also appointed professor of astronomy at [[Harvard]]. He remained at the university until his sudden death in [[1875]], eventually become professor of [[geodesy]].
Much of his astronomical work included measurements with the [[meridian circle]], a catalogue of [[double star]]s and stellar [[Photometry (astronomy)|photometry]] investigations. He also led [[solar eclipse]] expeditions to Kentucky in [[1860]] and [[Spain]] in [[1870]].
[[Winlock (crater)|Winlock crater]] on the [[Moon]] is named after him.
==External links==
* [http://darwin.nap.edu/books/NI000430/html/195.html Page 195], ''A History of the First Half-Century of the National Academy of Sciences: 1863-1913''.
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[[Category:1826 births]]
[[Category:1875 deaths]]
[[Category:American astronomers]]
[[Category:American mathematicians]]
[[ja:ジョゼフ・ウィンロック]]