Al-Abbas ibn Said al-Jawhari

Full name: 
Al-ʿAbbās ibn Saʿid al-Jawharī
Date of birth: 
800
Date of death: 
860

Al-Jawhari, Abu Al-Abbas (ca. 800-860) was a 9th century Arab mathematician. He lived and worked in Damascus and Baghdad. He is known for writing a book, Commentary on Euclid's Elements.