Front covers of two books by Ahmed Djebbar: Une histoire de la science arabe (Paris, 2001) and L'âge d'or des sciences arabes (Paris, 2005).
Mathematics in the Medieval Maghrib: General Survey on Mathematical Activities in North AfricaLEARN MORE
In this important article, Professor Ahmed Djebbar, the renowned scholar and specialist of the history of...
Ridhwan al-Sa’ati: A Biographical OutlineLEARN MORE
Fakhr al-Dīn Ridhwān ibn Rustam al-Sā'ātī (d. between 618-626 H/1220-1229 CE) was a scholar and mechanical...
Figure 1: Ottoman astronomers at work around Taqī al-Dīn at the Istanbul Observatory. Source: Istanbul University Library, F 1404, fol. 57a.
Taqi al-Din Ibn Ma’ruf: A Bio-Bibliographical EssayLEARN MORE
This article is a bio-bibliographical essay on the life and works of Taqī al-Dīn Ibn Ma'ruf, a scholar of...
Figure 1: Front cover of the first volume of Abū ‘l-Barakāt's Kitāb al-Mu'tabar (edited in Haydarabd, 1357/1938).
Abu ‘l-Barakat al-Baghdadi: Outline of a Non-Aristotelian Natural PhilosophyLEARN MORE
Abū 'l-Barakāt al-Baghdādā (flourished in the 11th-12th centuries in Baghdad) was a scholar of the Arabic-...
Figure 1: Taqī al-Dīn's observational clock is shown in the right hand side middle of this famous picture of Istanbul observatiry. Source: Istanbul University Library, MS F1404, folio 57a.
The Astronomical Clock of Taqi Al-Din: Virtual ReconstructionLEARN MORE
In his book The Brightest Stars for the Construction of Mechanical Clocks (Al-Kawakib al-durriyya fi wadh' al...
Figure 1a: Armillary sphere (dhât al-halaq) of Taqî al-Dîn. Source: Istanbul Topkapi Library, Hazine 452, f. 89 .
The Instruments of Istanbul ObservatoryLEARN MORE
In this article, Professor Sevim Tekeli, an outstanding scholar in the history of Ottoman science, describes...