Wikipedia
Al-Khazini
Abu al-Fath Abd al-Rahman Mansour al-Khāzini or simply Abu al-Fath Khāzini (flourished 1115–1130) was a Muslim astronomer of Greek ethnicity from Merv, then in the Khorasan province of Persia (located in today's Turkmenistan). Merv was known for its literary and scientific achievements.