translator · reviser

al-Hajjaj ibn Yusuf ibn Matar الحجاج بن يوسف بن مطر

fl. 786-833, Baghdad

The first known Arabic translator of Euclid's Elements and one of the first of the Almagest. He translated Euclid once for the Barmakid vizier Yahya ibn Khalid and again, leaner, for al-Ma'mun, saying he had cut the superfluities and corrected the errors.

Crossings

c. 786–805 Elements , Greek Arabic · translator · Baghdad attested
c. 813–833 Elements , Arabic Arabic · reviser · Baghdad attested
827–828 Almagest , Greek Arabic · translator · Baghdad attested

Sources

Hockey, Thomas et al. (eds.) (2007). Biographical Encyclopedia of Astronomers (entries: Fazari, Khwarizmi, Majriti, Hajjaj ibn Yusuf ibn Matar).
Murdoch, John E. (1971). Euclid: Transmission of the Elements.