"The Orthodox Satanic Church, in existence from 1971 to 1974 in Chicago, which at its height claimed more than five hundred members, taught a similar system of beliefs (to The Lady of Endor Coven, located in Ohio). The group's anti-LaVey philosophy taught that God the Creator created Satan, who, in turn, became the teacher of all knowledge. Through ritual, prayer, and songs, held every Saturday night at Chicago's Occult Book Shop (*), members were exhorted to absorb as much of Satan's wisdom as they could.
"In 1974, this group broke up after its leader, Terry Taylor, owner of the Occult Book Shop(*) was taken to court by his ex-wife to keep him from bringing his daughter to the cult's rituals. Taylor, she claimed, not only drove the girl to the shop in a hearse but also slept in a coffin. A splinter sect, Thee Satanic Church, was started by Dr. Evelyn Paglini, of the International Psychic Center, but it folded shortly thereafter."
Taylor's store was actually called House of the Occult, located near Belmont and Central Avenue. He did not own the Occult Bookstore.
Despite only having been in existence for a few years, Taylor seems to have gotten quite a lot of press. I've found very little regarding his beliefs, or anything incredibly specific regarding The Orthodox Satanic Church (which at one point was known as Thee Satanic Orthodox Church of Nethilim Rite). Still, his name shows up in quite a few publications.
Below is the beginning of an interview with Brad Steiger:
"We've had our windows at the House of Occult smashed six times in the last six months," he said. "Salt has been dumped in our gas tanks. We've been threatened twice with a gun. Someone set street gangs on us. We wrote to the Justice Department in Washington, D.C., and now we have police protection."
Despite the fact that Taylor is regularly described as being a Theistic Satanist (and at least one local organization claims to be following in this lineage), Taylor has this to say:
"...(W)e just do not believe that there is a devil. There is an active and a passive section in our minds, but neither is necessarily good or evil, plus or minus."
Chicago Tribune - March 8, 1974.
"They think I'm in league with the devil and have an 'in' with him," he said. But Taylor neither believes in the devil - "a Christian invention" - nor performs exorcisms.
Chicago Tribune - March 26, 1974
Anyone with more information about Taylor and associated organizations is encouraged to make contact.