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  1. Summary. Born in Rayy, in present-day Iran, Abu Bakr Muhammad Ibn Zakariya al-Razi (also known by the Latinized version of his name, Rhazes or Rasis, 865--925) is recognized as one of the intellectual luminaries of the medieval Islamic world.

  2. Al-Razi's two best-known alchemical texts, which largely superseded his earlier ones: al-Asrar (الاسرار "The Secrets"), and Sirr al-Asrar (سر الاسرار "The Secret of Secrets"), which incorporates much of the previous work. Apparently al-Razi's contemporaries believed that he had obtained the secret of turning iron and copper into ...

  3. al-Rāzī (born c. 854, Rayy, Persia [now in Iran]—died 925/935, Rayy) was a celebrated alchemist and Muslim philosopher who is also considered to have been the greatest physician of the Islamic world. One tradition holds that al-Rāzī was already an alchemist before he gained his medical knowledge.

    • The Editors of Encyclopaedia Britannica
  4. Jan 18, 2024 · Muhammad ibn Zakariya al-Razi (ابوبكر محمّد زکرياى رازى), also known as al-Razi, Rhazes or Rasis) (854 CE — 26 October 925 CE), was a Persian polymath, physician, alchemist, philosopher, and important figure in the history of medicine.

  5. Nov 4, 2021 · Al-Razi (also known as Rhazes in the western world) was a Muslim Persian scholar, researcher, physician and alchemist. He was born in 865 CE in the ancient city of Rey near modern Tehran, the present capital of Iran.

  6. May 19, 2021 · 1. Life and Works. Abū Bakr Muḥammad ibn Zakariyyāʾ al-Rāzī made his fame mostly as a doctor. As his name “al-Rāzī” indicates, he hailed from the Persian city of Rayy, near modern-day Tehran. His biographers report that he ran a hospital there, and another in Baghdad.

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  8. One of the earliest pioneers in the history of medicine, Abū Bakr Muḥammad ibn Zakarīyā al-Rāzī (also known by the Latinized version of his name, Rhazes or Rasis, circa 865--circa 925) was a Muslim Persian polymath, physician, and philosopher.

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