This article corrects an idea in psychedelic science and culture that the ancient Eleusynian Mysteries used psychedelics, as claimed by Carl Ruck and co-authors in The Road to Eleusis: Unveiling the Secret of the Mysteries (1978), revitalized by Brian Muraresku's The Immortality Key: The Secret History of the Religion with No Name (2020), and popularized by social media heavyweights such as Joe...
John Allegro’s The Sacred Mushroom and the Cross posits that early Christianity derived from fertility cults involving psychedelic mushroom use. Though widely discredited by scholars when it was first published, the theory persists in popular culture and entheogenic discourse. This article evaluates the scholarly reception, methodological flaws, and enduring cultural impact of Allegro’s thesis,...