At a glance
- Roles
- sultan · Scholar
- Counted among
- Sunni
- Era
- The Crusades, Ayyubids and Mamluks
- Region
- Arabia
- Review
- Draft Completeness 1/5 · Help complete it
MedicineAstronomy and timekeeping
Place in the story
- RulerTradition
Roles are dated and sourced; the museum describes the act and attributes the judgement.
Overview
Al-Ashraf Abu Hafs Umar ibn al-Malik al-Muzaffar al-Ghassani, a Yemeni king of the Rasulid dynasty. He wrote on the craft of the astrolabe, the science of veterinary medicine, the treatment of animals, and simple drugs 1.
His works
The encyclopedia reports that he benefited from Ibn al-Baytar and al-Zahrawi 1.
The entry needs an additional source: the data holds neither his year of birth nor his year of death.
People and things also explored
al-Tiflisi Jamal al-Din Abu al-Fadl Habash ibn Ibrahim· The 'Adudi Bimaristan· The Mu'ayyadi Bimaristan of Wasit· Sharaf al-Dawla's observatory at Baghdad· Qibla-finding by stars, winds, mountains and rivers· Sizes of the heavenly bodies· Akrabadhin (the pharmacopoeia, a treatise on compound drugs)· Distances of the heavenly bodies from the Earth
Sources
- Mawsu'at A'lam al-Ulama' wa-l-Adaba' al-Arab wa-l-Muslimin — Dar al-Jil / ALECSO , p.34-35
Cite this page
islam.museum contributors. “al-Ashraf Umar ibn al-Muzaffar, al-Ghassani”. islam.museum, https://islam.museum/en/person/umar-ibn-al-muzaffar-al-ashraf/. CC BY-SA 4.0. Last updated 2026-10-16.