Brian C. Muraresku is an American author and attorney, trained in classics, whose bestselling The Immortality Key investigates the provocative hypothesis that psychedelic sacraments lay at the origins of Western religion.
Brian C. Muraresku studied Latin, Greek, and Sanskrit before earning a law degree, bringing both classical learning and an investigator’s persistence to his writing. His debut book, The Immortality Key: The Secret History of the Religion with No Name (2020), became a New York Times bestseller.
The book chronicles his twelve-year quest — through archaeology, ancient languages, and the hidden archives of museums and the Vatican — for evidence that a psychedelic sacrament played a role in the Greek mystery cults and possibly early Christianity. Provocative and entertaining, it brought longstanding scholarly debates about ancient ritual intoxicants to a wide audience, though its bolder claims remain speculative and contested.
Muraresku has become a prominent voice in the renewed cultural conversation about psychedelics, history, and religion.