Andrew David Urshan has been identified as one of the pioneers of early twentieth century Oneness Pentecostal theology. Urshan was prepared by his social context and theological background to make a unique contribution to this segment of Pentecostalism, sometimes referred to as Pentecostalism's third stream. Urshan is the only one whose origins are found in the eastern rather than the western world. The cultural influence of his Assyrian-Chaldean heritage in Persia, the theological influence of Syrian Christianity, and the spiritual influence of his Presbyterian home all combine with his...