Al-Birjandi

(Nizam al-Din `Abd al-` Ali ibn Muhammad ibn al-Husayn al-Birjandi)
(? - OK. 1525)
Worked in Isfahan (Iran) in the court of the Safavid Shah Tahmasp I. B. - The author of several works on mathematics, . Astronomy, . Geography, . as well as astrological works: "Treatise on astronomy", . Science of the stars and the calendar ", . "Sunrise Light on the definition of [time] between the beginning of dawn and sunrise", . "Comments on the twenty chapters of the knowledge of the astrolabe (comm,
. to compose al-Tusi), "Comments on the Zij Ulugbek" etc.