Sharaf al-Zaman al-Marwazi
Sharaf al-Zamān Ṭāhir al-Marwazī or Marvazī was a physician and author of Nature of Animals.
He was a native of Merv, Khurasan, Persia.''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:
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.
