Ecclesia Gnostica Catholica
The Ecclesia Gnostica Catholica (E.G.C.), or Gnostic Catholic Church, is the ecclesiastical arm of the Ordo Templi Orientis (O.T.O.). It descends from a line of French Gnostic revival churches originating with Jules Doinel's Gnostic Church (1890). In 1907, Jean Bricaud, Gérard Encausse (Papus), and Louis-Sophrone Fugairon founded the Gnostic Catholic Church. In 1908, they granted O.T.O. Grand Master Theodor Reuss episcopal consecration and primatial authority, then renamed their own body the Universal Gnostic Church, leaving Reuss exclusive authority over the E.G.C. The church was definitively shaped when Aleister Crowley composed the Gnostic Mass (Liber XV) in Moscow in 1913, which Reuss proclaimed the church's official rite—formally accepting the Law of Thelema and declaring independence from Bricaud's church. The Gnostic Mass is the central ritual of both the E.G.C. and O.T.O., a Eucharistic ceremony requiring five officers: a Priest, a Priestess, a Deacon, and two Children. Its most distinctive feature is the co-equal role of the Priestess alongside the Priest. The Gnostic Creed professes belief in one secret and ineffable Lord, Chaos (Father of Life), Babalon (Earth and Womb), Baphomet (Serpent and Lion), the Law of Thelema, and the communion of Gnostic Saints—a roster of historical and mythological figures including Lao-tzu, Buddha, Mohammed, William Blake, and Giordano Bruno. Beyond the Eucharist, the E.G.C. administers baptism, confirmation, ordination (deacons, priests, priestesses, bishops), marriage (not limited by gender), and last rites. The church operates publicly worldwide through O.T.O. local bodies, offering regular Gnostic Mass celebrations open to the public as the primary gateway into Thelemic community life.