Shams al-Din Abu Abd Allah al-Khalili الخليلي
Al-Khalili was an astronomer, who compiled an extensive corpus of tables for timekeeping by the sun and regulating the astronomically defined time of Muslim prayer .
Full Name: Shams al-Dīn Abū ʿAbd Allāh Muḥammad ibn Muḥammad al-Khalīlī.
Arabic: شمس الدين عبد الله محمد بن محمد الخليلي
Born: 1320AD.
Died: 1380 AD.
Origin: Damascus, Syria.
Famous for: Astronomer.
Contributions:
He worked for most of his life as a muwaqqit (a religious timekeeper) at the Umayyad Mosque in Damascus.
Al-Khalili is known for two sets of mathematical tables he constructed, both totalling roughly 30,000 entries.
Articles
https://en.wikipedia.org/wiki/Shams_al-Din_Abu_Abd_Allah_al-Khalili
https://mathshistory.st-andrews.ac.uk/Biographies/Al-Khalili/
Books attributed to al-Khalili: