Sharaf al-Zamān Ṭāhir al-Marwazī or Marvazī (Arabic: شرف الزمان طاهر المروزي; fl. 1056/57–1124/25 CE) was a physician and author of Nature of Animals (كتاب طبائع الحيوان البحري والبري Kitāb Ṭabāʾiʿ al-Ḥayawān al-Baḥrī wa-al-Barrī).
He was a native of Merv.
Nature of Animals
Al-Marwazī drew upon the works of Aristotle, Dioscorides, Galen, Oribasius, Timotheos of Gaza, Paul of Aegina, and the Muslim scholar Al-Jahiz. The work comprises five parts:
- On human beings
- On domestic and wild quadrupets.
- On land and marine birds.
- On venomous creatures
- On marine animals.
Al-Marwazi served as physician at the courts of the Seljuk Sultan Malik-Shah I and his successors. As a physician, he recorded observations of parasitic worms.