Nasir al-Din al-Tusi

lived from 1201 to 1274

Nasir al-Tusi was an Islamic astronomer and mathematician who joined the Mongols who conquered Baghdad. He made important contributions to astronomy and wrote many commentaries on Greek texts.

Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Al-Tusi_Nasir.html