 Notable Unitarian Universalists include Tim Berners-Lee (founder of the World Wide Web), Pete Seeger, U. S. Congressman Pete Stark, former U. S. Senator Mike Gravel and Christopher Reeve.The decline of specifically Christian theology in the Unitarian churches in the United States has prompted several revival movements.Unitarian Christians within the UUA formed, the Unitarian Universalist Christian Fellowship (UUCF) in 1945, a fellowship within UUA just for Christians, who were gradually becoming a minority.