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Friedrich Leibniz (or ''Leibnütz''; 1597–1652) 〔(possibly unreliable) (Rodovid ), a free multilingual family tree portal; (Special:Tree ) Retrieved 2012-02-09 〕〔 was a Lutheran 〔〔Brandon C. Look. (2007). (Leibniz ). Stanford Encyclopedia of Philosophy. Retrieved 2012-02-09 〕 lawyer and a notary, registrar and professor of moral philosophy within Leipzig University.〔Brandon C. Look. 〕〔Gregory Brown (Professor at University of Houston). 〕〔see references of Heinrich Schepers and Ronald Calinger; in Richard S. Westfall, (''The Galileo Project'' ), Rice University. Retrieved 2012-01-27. 〕〔Ariew, Roger. ''G. W. Leibniz, life and works.'' (Cambridge Collections Online ). In: Nicholas Jolley, .〕 He was the father of Gottfried Leibniz. ==Biography== He was born in Altenburg, the son of Ambrosious Leibniz, a civil servant, and a Leipzig noblewoman named Anna Deuerlin.〔 He completed his master's degree at the University of Leipzig during 1622 and became an actuary in administration at the University.〔 His first marriage in 1625 produced a son, Johann Friedrich, and a daughter, Anna Rosina. He was elected to the chair in moral philosophy at Leipzig in 1640. A childless marriage to a second wife ended with her death 1643.〔〔Mitchel T. Keller ''et al''. North Dakota State University. 〕 A subsequent 1644 marriage to Catharina Schmuck, a daughter of a well known lawyer (or professor of law〔) produced a son, the polymath Gottfried Wilhelm Leibniz.〔 During 1646 Leibniz was vice chairman of the faculty of philosophy and also was Professor of Moral Philosophy at the University of Leipzig, in addition to employment as actuary.〔 He possessed a collection of books of ancient source.〔 He died in Leipzig. Leibniz is notable because his mathematical "descendants," which include Carl Friedrich Gauss, number more than 119,000.〔(Mathematics Genealogy Project entry for Friedrich Leibniz )〕 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「Friedrich Leibniz」の詳細全文を読む スポンサード リンク
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