During the early years, some of the most ardent critics of the Latter Rain and its theology came from within Pentecostalism, particularly the Assemblies of God. In 1949, the General Council of the Assemblies of God, following the leadership of its General Superintendent E. S. Williams, stated that pre-tribulation rapture represented correct eschatology. It rejected the Latter Rain practice of personal prophecy accompanied by the laying on of hands, as well as the Manifest Sons of God doctrine. Stanley Frodsham, a noted Assemblies of God leader, left the Assemblies in favor of the Latter Rain. He noted that it had practices and experiences similar to the Azusa Street Revival, a founding element of the Pentecostal Church. The opposition of other Pentecostal denominations ultimately led to the withdrawal, under pressure, of Ivan Q. Spencer, founder of the Elim Fellowship, from inter-Pentecostal fellowship.