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Brian Muraresku

Brian C. Muraresku is a lawyer and author of The Immortality Key, a 2020 New York Times bestseller that advances the hypothesis that ancient rites such as the Eleusinian Mysteries may have used psychedelic substances that influenced the early Christian Eucharist, a view that has been contested in academia.

Contents15 sections
Key facts

Graduates From Brown University

A member of Brown’s class of 2002, he comes from a working-class Philadelphia family and was the first in it to go to college.⁠[2]

Turns to Psychedelics and Religion

In 2007, while a lawyer at the New York firm Milbank, he read an Economist article on the revival of psychedelic research, went back to The Road to Eleusis, which he had read in college, and later left the job for years of research and travel.⁠[2]

Becomes Founding Executive Director of Doctors for Cannabis Regulation

In 2016 he became the founding executive director of the physicians’ group Doctors for Cannabis Regulation.⁠[1]

Represents an Athlete Seeking a Cannabis Exemption in NFL Arbitration

Publishes The Immortality Key

The book carries a foreword by Graham Hancock. The publisher’s description says the author pursues evidence in the ruins of Greece, the Louvre, the catacombs of Rome and the Vatican archives to ask whether the earliest Christians’ Eucharist was psychedelic, and reconstructs a history of women consecrating a drugged Eucharist later banned by the Church Fathers.⁠[5]

Becomes a New York Times Bestseller

The Immortality Key became a New York Times bestseller in 2020 and was named Audible’s “Best of 2020” in the History category.⁠[6]

In Conversation at Harvard Divinity School

On February 1, 2021, he discussed his new book with Charles Stang, director of the Center for the Study of World Religions at Harvard Divinity School, in a series co-sponsored by the Esalen Institute and others.⁠[7]

Lays Out His Evidence on Vox Conversations

On Vox Conversations in March 2021 he said the first half of his book rests on a find at a sanctuary in a Greek colony in what is now Spain, where researchers tested small ceremonial vessels under optical microscopy and found traces of ancient beer spiked with ergot, a result little known because it was published in Catalan.⁠[8]

Appears on the Lex Fridman Podcast

In August 2021 he appeared on episode 211 of the Lex FridmanLex FridmanLex Fridman is a Soviet-born, US-raised computer scientist and podcast host who works as an MIT research scientist on human-AI interaction and autonomous driving. His Lex Fridman Podcast is known for hours-long conversations with guests including heads of state and technology leaders.Open the full entry Podcast, discussing ideas of God, psychedelics in ancient alcohol, The Immortality Key, the role of rituals in human society, the role of religion and the future of psychedelics research.⁠[9]

Appears on Making Sense

On December 22, 2023, he appeared on episode 346 of Sam HarrisSam HarrisSam Harris is an American author, philosopher and neuroscience PhD, host of the Making Sense podcast and founder of the Waking Up meditation app; he rose to prominence with The End of Faith and other critiques of religion and is regarded as a leading figure of the “New Atheism,” and has since written and spoken on morality, free will, meditation and politics, often provoking controversy.Open the full entry’s Making Sense, discussing the Mysteries of Eleusis, the “pagan continuity hypothesis,” the cult of Dionysus, the Dead Sea Scrolls and the Gnostic Gospels, the chemical analysis of ancient wine and beer, and why he has not tried psychedelics.⁠[10]

An alumnus of Georgetown Law and a member of the New York and Washington, D.C., bars, he had practiced law internationally for more than fifteen years as of 2023.⁠[10]

Acknowledges the Theory Is Speculative in a Luminous Interview

In May 2024, on Luminous, a podcast of Wisconsin Public Radio’s To The Best Of Our Knowledge, he said he builds on scholars who have explored the idea since the 1970s; he acknowledged the speculative nature of the theory and said it is not known whether the Eleusinian drink kykeon contained ergot.⁠[11]

Scholars Publicly Criticize Its Conclusions

In February 2025 archaeological chemist Patrick McGovern, who had helped him assess ancient residue samples, said he overinterprets limited archaeological data and that the scientific evidence for a link between psychedelics and Christianity is “extremely weak to nonexistent.” Cornell UniversityCornell UniversityCornell University is a private research university in Ithaca, New York, and a member of the Ivy League. It is New York State's federal land-grant university, a distinction unique within the Ivy League. Ezra Cornell and Andrew Dickson White founded the university in 1865, and it opened in 1868. In addition to its Ithaca campus, Cornell operates Weill Cornell Medicine and Cornell Tech in New York City and a medical college in Qatar. It enrolled 26,793 students in fall 2024. Its president is Michael I. Kotlikoff.Open the full entry classicist Kevin Clinton noted that no evidence of drug use has ever been found at Eleusis; Jan Bremmer, a scholar of ancient mystery cults, said no cult is known to have used mushrooms in antiquity; and biblical scholar Bart Ehrman said he did not find the findings plausible.⁠[12]

As of October 2026: The Athanatos Foundation He Founded

He founded the Athanatos Foundation to promote interdisciplinary dialogue inspired by his book.⁠[13]

As of October 2026 his website describes Athanatos as a private foundation investigating prehistoric and ancient knowledge, mind–matter phenomena and the nature of reality through interdisciplinary collaboration with academic institutions. He is married with two daughters and lives outside Washington, D.C.⁠[6]

Related Organizations, Websites, and Public Accounts

Athanatos Foundation: Official website: https://www.athanatosfoundation.org/ (opens in a new window)⁠[6]

Sources

  1. Brian C. Muraresku - Pan Macmillan (opens in a new window)
  2. The Quest | Brown Alumni Magazine (opens in a new window)
  3. Brian Muraresku - Psychedelic Sacraments & Religion - Third Wave Podcast (opens in a new window)
  4. THE IMMORTALITY KEY by Brian Muraresku | News | Janklow & Nesbit (opens in a new window)
  5. The Immortality Key by Brian C. Muraresku on Apple Books (opens in a new window)
  6. Brian C. Muraresku – Author of The Immortality Key: The Secret History of the Religion with No Name (opens in a new window)
  7. Video: Psychedelics: The Ancient Religion with No Name? (opens in a new window)
  8. The Immortality Key: Brian Muraresku on the psychedelic roots of Christianity | Vox (opens in a new window)
  9. #211 - Brian Muraresku: The Secret History of Psychedelics | Lex Fridman Podcast (opens in a new window)
  10. Sam Harris | #346 - The Best Kept Secret In History? (opens in a new window)
  11. Did the ancient Greeks use drugs to find God? - WPR (opens in a new window)
  12. The Strange Case of The Immortality Key (opens in a new window)
  13. TEDxBoulder | Brian Muraresku (opens in a new window)