The Church of Scientology International (CSI) is the Mother Church of the Scientology religion. With headquarters in Los Angeles, California, CSI provides overall planning, direction and general support to the network of Churches, Missions and groups of the Scientology religion.

L. Ron Hubbard (1911-1986) is the Founder of the Scientology religion. The first Church of Scientology was established by Scientologists in Los Angeles in 1954 and today spans the globe with more than 10,000 Churches, Missions and affiliated groups in 167 nations.

The Scientology religion was founded by American author and humanitarian L. Ron Hubbard.  The first Church of Scientology was formed by Scientologists in Los Angeles in 1954. Today the religion spans the globe with more than 10,000 Churches, Missions and affiliated groups in 167 nations.

Dianetics is a spiritual healing technology that can help alleviate unwanted sensations and emotions, irrational fears and psychosomatic illnesses (illness caused or aggravated by mental stress).

Dianetics is derived from the Greek words dia, meaning through, and nous, mind or soul. The full definition of Dianetics is what the mind (or soul) is doing to the body.

Religious Technology Center (RTC) is a non-profit religious organization formed in 1982 to preserve, maintain and protect the Scientology religion.

RTC holds the ultimate ecclesiastical authority for the standard and pure application of Scientology Founder L. Ron Hubbard's religious technologies.