Avicenna (Author of مجربات ابن سينا الروحانية)
WebHe was also an astronomer, chemist, geologist, Hafiz,, logician, paleontologist, mathematician, Maktab teacher, physicist, poet, and scientist. Ibn Sīnā studied medicine under a physician named Koushyar. He wrote almost 450 treatises on a wide range of subjects, of which around 240 have survived.