Kamāl al-Dīn al-Fārisī

Kamāl al-Dīn al-Fārisī (c. 1260 – c. 1320) was a notable Persian mathematician and astronomer. He is best known for his work in geometry, particularly in connection with the study of conic sections and his contributions to the field of optics. Al-Fārisī is often associated with the grand tradition of Islamic scholars who preserved and expanded upon the knowledge of the ancient Greeks.