*Professor, History, Islamic Azad University of Tehran, Central Branch, Iran
**Research Scholar, Department of Anthropology, University Of Mysore
***Islamic Azad university, Bojnurd
After the conquest of Baghdadby Mu'izz (334 AH) in Sralbuoy, that is a space for scholars of various disciplines began publishing platform built-in this era of great scientists grew. In the evening Buwayhid, Kulayni Sheikh, Sheikh Saduq, Sheikh Mufid Shaykhal-Sharif Murtaza, Syed Raziand others came and scientific services offered to the Muslim world. In addition, according to the science of jurisprudence, theology, commentary, mathematics, geometry and trigonometry, and medical knowledge and the construction of the hospital was too. This paper aims to examine the sources of scientific achievement in the era after the conquest of Baghdad Buyidspay. after the conquest of Baghdad in the evening Buwayhid pay.
