Abū ʿAlī al-Ḥusayn ibn ʿAbd Allāh ibn Sīnā (Persian پور سينا Pur-e Sina [ˈpuːr ˈsiːnɑː] "son of Sina"; c. 980 – June 1037), commonly known as Ibn Sīnā or by his Latinized name Avicenna, was a Persian polymath and the foremost physician and philosopher of his time. He was also an astronomer, chemist, geologist, Hafiz, Islamic psychologist, Islamic scholar, Islamic theologian, logician, paleontologist, mathematician, Maktab teacher, physicist, poet, and scientist. George Sarton, an author of the history of science, wrote in the Introduction to the History of Science: