Iranian alchemists

Abū al-Fath Abd al-Rahman Mansūr al-Khāzini or simply al-Khāzini (; flourished 1115–1130) was an Iranian astronomer, mechanician and physicist of Byzantine Greek origin who lived during the Seljuk Empire. His astronomical tables, written under the patronage of Sultan Sanjar ('''', 1115), are considered to be one of the major works in mathematical astronomy of the medieval period. He is considered to have been one of the greatest scientists of his era, among the greatest makers of scientific instruments of any time, and as "the physicist of all physicists".

Ostanes (from Greek ), also spelled Hostanes and Osthanes, is a legendary Persian magus and alchemist. It was the pen-name used by several pseudo-anonymous authors of Greek and Latin works from Hellenistic period onwards. Together with Pseudo-Zoroaster and Pseudo-Hystaspes, Ostanes belongs to the group of pseudepigraphical "Hellenistic Magians", that is, a long line of Greek and other Hellenistic writers who wrote under the name of famous "Magians". While Pseudo-Zoroaster was identified as the "inventor" of astrology, and Pseudo-Hystaspes was stereotyped as an apocalyptic prophet, Ostanes was

Physician and alchemist