Avicenna
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Ibn Sina, commonly known in the West as Avicenna, was a preeminent philosopher and physician of the Muslim world. He was a seminal figure of the Islamic Golden Age, serving in the courts of various Ir
Modern portrait of Ibn Sina, National Library of Medicine (1952)
Coin of Majd al-Dawla (r. 997–1029), the amir (ruler) of the Buyid branch of Ray
Coin of Ala al-Dawla Muhammad (r. 1008–1041), the Kakuyid ruler of Isfahan
The Mausoleum of Avicenna, Hamadan, Iran
Science in the medieval Islamic world was the science developed and practised during the Islamic Golden Age under the Abbasid Caliphate of Baghdad, the Umayyads of Córdoba, the Abbadids of Seville, th
The Tusi couple, a mathematical device invented by the Persian polymath Nasir al-Din Tusi to model the not perfectly circular motions of the planets
al-Biruni's explanation of the phases of the moon
Quince, cypress, and sumac trees, in Zakariya al-Qazwini's 13th century Wonders of Creation
Modern copy of al-Idrisi's 1154 Tabula Rogeriana, upside-down, north at top