Abul Barakat Hebat Allah Ibn Ali Baghdadi, Jwish philosopher but then embraced Islam. There is little known of his life. He was the student of Saeed Ibn Hebat Allah. His most famous work is the book is “al-Mu’tabar” (Valid) which is one of the most valid books on philosophy. Abul Brakat was against Avicenna. Most of his masters were non-Muslim. The series of his masters reached Farabi (great Muslim philosopher). Abul Barakat was the student of Saeed Ibn Habat Allah and he was the student of Abul Fazl Katifat and Abdan Kateb, they were the studebts of ####Abul Faraj Ibn Tayyeb, he was the student of Abul Khayr Hasan Ibn Savar, he was the student of Yahya Ibn Uday Manteqi and he was the student of Abu Nasr Farabi (Avennasar).