Shams al-Din al-Khafri

Shams al-Din Muhammad b. Ahmad al-Khafri al-Kashi (died 1550), known as Khafri, was a Persian[1] religious scholar and astronomer at the beginning of the Safavid dynasty, during a period of mass conversion to Shia Islam. He wrote on philosophy, religion, and astronomy, the latter including a commentary on al-Tusi and critiques of al-Shirazi.

Astronomy

In his commentary on al-Tusi Khafri contributes some original solutions to the equant problem, three for Mercury and one for the Moon. His solution for the Moon, like Ptolemy's original model, still contains the discrepancy for the Moon's distance that was fixed earlier by al-Shatir, of whose work he was apparently not aware.

See also
  • Persian science
  • al-Tusi
  • al-Shirazi
  • Islamic Golden Age
  • Islamic science
  • Islamic scholars
  • List of Muslim scholars
  • List of Shi'a Muslims
  • List of Iranian scientists

References
  1. Hockey, Thomas (2014). Biographical encyclopedia of astronomers. New York: Springer. p. 1181. ISBN 9781441999184. Khafri was an Iranian theoretical astronomer who produced innovative planetary theories at a time well beyond the supposed period of the decline of Islamic science.
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