# Yahya ibn Khalid al-Barmaki

- id: yahya-ibn-khalid
- dates: d. 805
- roles: patron, commissioner

Barmakid vizier to Harun al-Rashid and one of the earliest great patrons of translation, commissioning the first Arabic Euclid and promoting the first Arabic Almagest before his family's spectacular fall.

## Crossings

- c. 786–805: Elements into Arabic (commissioner) [attested]

## Sources

- Gutas, Dimitri (1998). Greek Thought, Arabic Culture: The Graeco-Arabic Translation Movement in Baghdad and Early Abbasid Society.
- Hockey, Thomas et al. (eds.) (2007). Biographical Encyclopedia of Astronomers (entries: Fazari, Khwarizmi, Majriti, Hajjaj ibn Yusuf ibn Matar).