# Thabit ibn Qurra

- id: thabit-ibn-qurra
- name in original script: ثابت بن قرة
- dates: 836–901
- roles: reviser, translator, scholar

Mathematician from Harran, a pagan Sabian in a city of star worshippers, recruited to Baghdad by the Banu Musa. He revised the Arabic Euclid and Ptolemy with a mathematician's eye, which is why later readers preferred the versions he touched.

## Crossings

- c. 880–901: Elements into Arabic (reviser) [attested]
- c. 890–901: Almagest into Arabic (reviser) [attested]

## Sources

- Murdoch, John E. (1971). Euclid: Transmission of the Elements.
- Ptolemaeus Arabus et Latinus project (2023). Work entries for the Arabic and Latin Almagest translations.