Nazir Al-Din Al-Tusi

Nazir Al-Din Al-Tusi (1201 – 1274), best known to the west as Tusi, was a Persian polymath or a scholar of multiple fields - he was known as an architect, philosopher, physician, scientist, and theologian. He is generally considered the creator of trigonometry as a mathematical discipline in its own right. He was the author of about 150 works on a variety of subjects, of which 25 are in Persian and the remaining are in Arabic.