The Iranian influence in the administrative affairs of the Abbasid khilafah was not limited to merely such dynasties of families as the Taherian or the Al-e Sahl, Al-e Barmak, Al-e Bakhtishu' and Al-e Nowbakht. Rather, many individuals, without being related to any prominet family, reached high-level civilian and military positions in this period. The paper before you tries to introduce one such individual called Abu Hafs Amr, or Umar Ibn-i Azragh Kermani, a literary and political figure and a historian of Ma'mun's era.