Portrait of persian AVICENNA (Ibn Sina, c.980 1037). Besides philosophy and medicine, Avicenna's corpus includes writings on astronomy, alchemy, geography and geology, psychology, Islamic theology, logic, mathematics, physics and poetry.-PERSIA-Sharaf al-Mulk Hujjat al-Haq Sheikh al-Rayees Ibn-Sino (Abu Ali Abdulloh Ibn-Sino) Bu Ali Sina