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Taqi ad-Din Muhammad ibn Ma'ruf

Taqi ad-Din
Taqi al din.jpg
Work in the observatorium of Taqi ad-Din
Born 1526
Damascus, Ottoman Empire
Died 1585
Istanbul, Ottoman Empire
Fields Mathematics, astronomy, engineering, mechanics, optics, natural philosophy
Known for Istanbul observatory

Taqi ad-Din Muhammad ibn Ma'ruf ash-Shami al-Asadi (Arabic: تقي الدين محمد بن معروف الشامي, Modern Turkish: Takiyüddin or Taki) (1526–1585) was a Muslim polymath active in the Ottoman Empire. He was the author of more than ninety books on a wide variety of subjects, including astronomy, clocks, engineering, mathematics, mechanics, optics and natural philosophy. In 1574 the Ottoman Sultan Murad III invited Taqī ad-Dīn to build the Istanbul observatory. Using his exceptional knowledge in the mechanical arts, Taqī ad-Dīn constructed instruments like huge armillary and mechanical clocks that he used in his observations of the Great Comet of 1577. He also used European celestial and terrestrial globes that were delivered to Istanbul in gift-exchange. The major work that resulted his work in the observatory is titled The tree of ultimate knowledge [in the end of time or the world] in the Kingdom of the Revolving Spheres: The astronomical tables of the King of Kings [Murād III](Sidrat al-muntah al-afkar fi malkūt al-falak al-dawār– al-zij al-Shāhinshāhi). The work was prepared according to the results of the observations carried out in Egypt and Istanbul in order to correct and complete Ulugh Beg’s Zij as-Sultani. The first 40 pages of the work deal with calculations, followed by discussions of astronomical clocks, heavenly circles, and information about three eclipses which he observed at Cairo and Istanbul. For corroborating data of other observations of eclipses in other locale like Daud ar-Riyyadi (David the Mathematician), David Ben-Shushan of Salonika. According to Salomon Schweigger, the chaplain of Habsburg ambassador Johann Joachim von Sinzendorf, Taqi ad-Din was a charlatan who deceived Sultan Murad III and had him spent enormous resources.


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