Muhammad in Islam of all pagan idols. In later years in Medina, Muhammad unified the different tribes of Arabia under Islam, carried out social and religious reforms. By the time he died in 632, almost all the tribes of the Arabian Peninsula had converted to Islam. The Quran enumerates little about Muhammad's early life or other biographic details, but it talks about his prophetic mission, his moral excellence, and theological issues regarding Muhammad. According to the Quran, Muhammad is the last in a chain of prophets sent by God (). Throughout the Quran, Muhammad is referred to as "Messenger", "Messenger of God", and
School of the Prophets Brigham Young began several schools of the Prophets during his tenure as church president, beginning in 1867 in Salt Lake City, Utah. Initially, it was a forum to discuss church issues among church leaders and selected priesthood holders, under the auspices of the University of Deseret. Later, branches were opened in the larger LDS communities under the direction of local priesthood leaders, and discussion expanded into religion, economics, and civic matters. Branches opened in Provo, Logan, Brigham City, Spanish Fork, Nephi, Ephraim, American Fork, and Ogden. These confidential, invitation-only classes were closed in 1872, before a reorganized School of the