Christadelphians, Protestant movement founded in 1844 by John Thomas in Richmond, Va. It grew out of the Campbellite movement (originally associated with the CHRISTIAN CHURCH), but its adherents are nontrinitarian, deny the immortal soul doctrine and do not believe in a personal devil. Organization is congregational, but there are several fellowships which differ somewhat doctrinally. Some hold that all having true knowledge of God's purposes will be resurrected either to eternal life or condemnation (annihilation). Others assert that only those who are justified at death will be resurrected. Small ecclesias (congregations) exist throughout Canada. Much attention is given to Bible study. Communion is held regularly on Sundays. According to the latest federal census (1991), there were 3375 Christadelphians in Canada in 1991.