Abu Hatim Ahmad ibn Hamdan al-Razi

Abū Ḥātim Aḥmad ibn Ḥamdān al-Rāzī (Persian: ابو حاتم احمد بن حمدان الرازی) was a Persian Ismaili philosopher of the 9th century, who died in 322 AH (935 CE).[1][2] He was also the Da'i al-Mutlaq (chief missionary) of Ray and the leader of the Ismaili da'wah in Central Persia.


He was born in Rayy near modern Tehran. He was a contemporary of Muhammad ibn Zakariya al-Razi and engaged in debates with him.


  • Al-Jāmiʿ, a book on jurisprudence.
  • Kitāb aʿlām al-nubuwwa (The Proofs of Prophecy), a refutation of Abū Bakr al-Rāzī.[3]
  • Kitāb al-Iṣlāḥ (Book of the Correction), “the oldest extant Ismāʾilī work presenting a Neoplatonic world-view.”[4] Written as a corrective to the views of his contemporary Muḥammad ibn Aḥmad al-Nasafī.
  • Kitāb al-Zīna (Book of the Ornament), on the superiority of the Arabic language and on religious terminology.



  1. Abi Bakr Mohammadi Filii Zachariæ (Razis): Opera philosophica fragmentaque quae supersunt collegit et edidit PAULUS KRAUS. Pars prior. (Universitatis Fouadi I Litterarum Facultatis Publicationum fasc. XXII). Cairo, 1939. p. 291. Editor mentions that this date is mentioned only in كتاب لسان الميزان
  2. Henry Corbin, "The voyage and the messenger: Iran and philosophy", North Atlantic Books, 1998. pg 74: "Virtually all its greatest exponents covering the period from the ninth to the eleventh century C.E. show obvious Iranian affiliation. Examples are Abu Hatim Razi)"
  3. Parallel Arabic-English edition, translated, introduced, and annotated by Tarif Khalidi, Brigham Young University Press, 2012, Islamic Translation Series (ISBN 9780842527873).
  4. H. Landolt in Encyclopedia of Arabic Literature, volume 1, edited by Julie Scott Meisami, Paul Starkey, p. 34.
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