Al-Birjandi
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Abdal Ali ibn Muhammad ibn Husayn Birjandi was a 16th-century Persian astronomer, mathematician and physicist who lived in Birjand.
A work of al-Birjandi's, Sharh al-Tadhkirah, a manuscript copy, beginning of the 17th century
Gravure originale du compas parfait par Abū Sahl al Qūhī
Nasir al-Din al-Tusi
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Muḥammad ibn Muḥammad ibn al-Ḥasan al-Ṭūsī, also known as Naṣīr al-Dīn al-Ṭūsī or simply as Tusi, was a Persian polymath, architect, philosopher, physician, scientist, and theologian. Nasir al-Din al-
Al-Birjandi
…Al-Birjandi wrote some more than 13 books and treatises, including: Sharh al-tadhkirah, a commentary on Tadhkira, al-Tusi 's memoir. This work provides explanations for the reader, and provides alternative views while assessing the viewpoints of predecessors, which is…
Iranian stamp for the 700th anniversary of his death
A Treatise on the Astrolabe by Tusi, Isfahan 1505
Tusi couple from Vat. Arabic ms 319
The Astronomical Observatory of Nasir al-Dīn Tusi.