When did Avicenna live?
Avicenna
‎; c.980– June 1037
Avicenna (/ˌævɪˈsɛnə/; also Ibn Sīnā or Abu Ali Sina; Persian: ابن سینا‎; c.980– June 1037) was a Persian[4][5][6] polymath who is regarded as one of the most significant physicians, astronomers, thinkers and writers of the Islamic Golden Age.[7] He has been described as the father of early modern medicine.[8][9][10] Of the 450 works  he is known to have written, around 240 have survived, including 150 on philosophy and 40 on medicine.[11]