Edited sentence: Many Barmakids were patrons of the sciences, which greatly helped the propagation of Greek science and scholarship from the neighbouring Academy of Gundishapur into the Arabic world.The power of the Barmakids in those times is reflected in The Book of One Thousand and One Nights, the vizier Ja'far appears in several stories, as well as a tale that gave rise to the expression Barmecide feast.They are also credited with the establishment of the first paper mill in Baghdad.They patronized scholars such as Gebir and Jabril ibn Bukhtishu