No, it’s not a Scientology front.
Nor is it “a Christian Science thing.” Or the Angelus Temple (that’s in nearby Echo Park). Or an exclusive league of Theosophists, Rosicrucians or Illuminati, or followers of Rudolf Steiner or Gurdjieff or any other specific mystic, either local or exotic. It’s definitely not a den of Aleister Crowley worship.
When people venture guesses as to what goes on at the University of Philosophical Research (formerly known as the Philosophical Research Society) — the strange-looking, Mayan-style mini compound on Los Feliz Boulevard, across from the southern boundary of Griffith Park, right next to the traffic jam–prone access to the 5 freeway — they often get it very wrong.