Kam ā l Al-D ī n Abu ’ l H ̣ asan Mu ḥ ammad Ibn Al-H ̣ asan Al-F ä ris ī

( d . Tabr ī z [?], Iran, 1320)

optics, mathematics .

Kam ā l al-D ī n was the disciple of the famous Qutb al-D ī n al-Sh ī r ā z ī , mathematician, astronomer, and commentator on Ibn S ī n ā . ¹ Scholars since Wiedemann and Sarton have linked the names of the two, and some questions of priority have arise, as will be seen below. Although Kam ā l al-D ī n produced a number of writings in different branches of mathematics — particularly arithmetic and geometry — his essential contribution was in optics. It was in response to a ...