Method of Mahmoud Ebn Othman's Biography Writing

In the eighth century, three hagiographies was written and translated and summarized by Mahmood Ibn Osman about two well-known Fars mystics who have lived in the fifth and eleventh century. The Mystics name were “sheikh Abou Ishaq Kazerouni " and "Amin Aldin Balayani “. Because these hagiographies "Firdous Almorshedieh ", " Anvar Almorshedieh " and " Meftah Alhedayeh " are important and unknown and there is no source, except these three books about the life of their writer, and because of special style of Mahmood Ibne Osman in writing of hagiographies, In this article it is attempted to survey the aspects of these two mystics and their hagiographies and the relationship between "Mahmood Ibne Osman" and "Abu Ishaq" and " Amin Aldin ".Therefore in these essay the comparative style of writing, the usage of poems of various poets in hagiographies, common chapters and common ideas and contents and the high position of women and dignity of hagiographies are studied and discussed.