Chapter Nine of the Book of Medicine Dedicated to Mansur, with the Commentary of Sillanus de Nigris
Abu Bakr Muhammad Ibn Zakariya al-Razi (also known by Latinized versions of his name, Rhazes or Rasis, 865–925 AD) was a Persian polymath, physician, and philosopher. He was born in Rayy, south of present-day Tehran, Iran. After studying philosophy, at around the age of 30 he began studying medicine under the supervision of Abu Al-Hassan al-Tabari. He became the head of a Rayy hospital and later headed a hospital in Baghdad. Al-Razi was known in the fields of medicine and chemistry, which he combined to prescribe medications for numerous ...