This study deals with aspects of scientific and administrative biography of the Abbasside minister Awn El Din Bin Hobira 499H 560H such as : his kinship surname birth and the first environment where he grew up and what he had learned from basic sciences in his childhood and his youth. The study also talks about a new phase in his scientific life when he decided to travel to Baghdad seeking for more knowledge and getting different types of sciences on the hands of more famous professors at that era where he devoted most of his time and effort for this purpose until he could dominate on the head topics of many sciences such as : linguistic legality literary . etc so he shifted to advanced stage by writing a lot of books in many fields of thought and knowledge which became stimulus of interest of the people at that time.