Scientology Mission of Temecula is a church of Scientology located just off of County Center Drive in the community of Temecula. Scientology, which was founded by L. Ron Hubbard in 1952 as an expansion on his earlier self-help work Dianetics, has millions of members worldwide. According to the official Scientology Web site, "Today, more than 8,500 Scientology Churches, missions, related organizations and affiliated groups minister to millions in 165 countries."