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Erasmus Reinhold (October 22, 1511 – February 19, 1553) was a German astronomer and mathematician, considered to be the most influential astronomical pedagogue of his generation.〔Owen Gingerich: The Role of Erasmus Reinhold and the Prutenic Tables in the Dissemination of the Copernican Theory, 1973, Studia Copernicana, Poland ()〕 He was born and died in Saalfeld, Saxony. He was educated, under Jacob Milich, at the University of Wittenberg, where he was first elected dean and later became rector. In 1536 he was appointed professor of higher mathematics by Philipp Melanchthon. In contrast to the limited modern definition, "mathematics" at the time also included applied mathematics, especially astronomy. His colleague, Georg Joachim Rheticus, also studied at Wittenberg and was appointed professor of lower mathematics in 1536. Reinhold catalogued a large number of stars. His publications on astronomy include a commentary (1542, 1553) on Georg Purbach's ''Theoricae novae planetarum''. Reinhold knew about Copernicus and his heliocentric ideas prior to the publication of ''De revolutionibis'' and made a favourable reference to him in his commentary on Purbach.〔Owen Gingerich, ''The Book Nobody Read'' (Heinman, 2004, p. 19)〕 However, Reinhold (like other astronomers before Kepler and Galileo) translated Copernicus' mathematical methods back into a geocentric system, rejecting heliocentric cosmology on physical and theological grounds.〔Hanne Andersen, Peter Barker, and Xiang Chen. ''The Cognitive Structure of Scientific Revolutions''. New York: Cambridge University Press, 2006. pp 138-148〕 Duke Albert of Brandenburg Prussia supported Reinhold and financed the printing of Reinhold's ''Prutenicae Tabulae'' or ''Prussian Tables''. These astronomical tables helped to disseminate calculation methods of Copernicus throughout the Empire, however, Gingerich notes that they showed a "notable lack of commitment" to heliocentricity and were "carefully framed" to be independent of the movement of the Earth.〔Owen Gingerich, ''From Copernicus to Kepler'' (Proceedings of the American Philosophical Society, 1973)〕 Both Reinholds's ''Prutenic Tables'' and Copernicus' studies were the foundation for the Calendar Reform by Pope Gregory XIII in 1582. It was Reinhold's heavily annotated copy of ''De revolutionibus'' in the Royal Observatory, Edinburgh, that started Owen Gingerich on his search for copies of the first and second editions which he describes in ''The Book Nobody Read''.〔Owen Gingerich, ''The Book Nobody Read'' (Heinman, 2004, p. 25)〕 In Reinhold's unpublished commentary on ''De revolutionibus'', he calculated the distance from the Earth to the sun. He "massaged" his calculation method in order to arrive at an answer close to that of Ptolemy.〔Richard Kremer, Book review of ''On the distances between the sun, moon and earth'' ()〕 His name has been given to a prominent lunar impact crater that lies to the south-southwest of the crater Copernicus, on the Mare Insularum. ==References== 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「Erasmus Reinhold」の詳細全文を読む スポンサード リンク
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