Al-saghani
Abu Hamid Ahmed ibn Mohammed al-Saghani al-Asturlabi, i. e., the astrolabe maker of Saghan, near Merv, was a Persian astronomer.
He flourished in Baghdad, where he died in 990 AD.
An inventor and maker of instruments, he worked in Sharaf al-dawla's observatory and, perhaps, constructed the instruments which were used there. Worked on the Trisection of the angle.
Sources
Suter: Die Mathematiker und Astronomen der Araber (p. 65, 1900).
See also
Categories: Persian mathematicians | 10th century mathematicians | 990 deaths | Iranian scientists | People stubs