Template:Selected anniversaries/February 18: Difference between revisions

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|| *** PAREIDOLIA: Arab thinkers
|| *** PAREIDOLIA: Arab thinkers
File:Thābit's Arabic translation of Apollonius' Conics.jpg|link=Thābit ibn Qurra (nonfiction)|901: Physician, astronomer, and mathematician [[Thābit ibn Qurra (nonfiction)|Thābit ibn Qurra]] dies. He made important discoveries in algebra, geometry, and astronomy; in astronomy, Thabit was one of the first reformers of the Ptolemaic system.


File:Nasir_al-Din_al-Tusi_at_observatory.jpg|link=Nasir al-Din al-Tusi (nonfiction)|1201: Polymath [[Nasir al-Din al-Tusi (nonfiction)|Nasir al-Din al-Tusi]] born. Tusi will be a mathematician, architect, philosopher, physician, scientist, and theologian; he will establish trigonometry as a mathematical discipline in its own right.  
File:Nasir_al-Din_al-Tusi_at_observatory.jpg|link=Nasir al-Din al-Tusi (nonfiction)|1201: Polymath [[Nasir al-Din al-Tusi (nonfiction)|Nasir al-Din al-Tusi]] born. Tusi will be a mathematician, architect, philosopher, physician, scientist, and theologian; he will establish trigonometry as a mathematical discipline in its own right.  

Revision as of 07:56, 18 February 2022