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Al-Sijzi

Al-Sijzi

Iranian astronomer
Abu Sa'id Ahmed ibn Mohammed ibn Abd al-Jalil al-Sijzi was an Iranian Muslim astronomer, mathematician, and astrologer. He is notable for his correspondence with al-Biruni and for proposing that the Earth rotates around its axis in the 10th... Wikipedia
Born: 945 AD, Sistan
Died: 1020 (age 75 years)