David Nutt is an English neuropsychopharmacologist specialising in the research of drugs that affect the brain and conditions such as addiction, anxiety, and sleep. He was the UK Government's chief advisor on drug policy. He was fired in 2009 after criticising the Government's approach to drug harms.…

Justin Sledge is currently a part-time professor of philosophy and religion at several institutions in the Metro-Detroit area and a popular local educator. His YouTube channel is "Esoterica".

oe Folley runs the YouTube channel Unsolicited Advice. he graduated from Cambridge University with an MPhil in Philosophy, specialising in logic, in 2023.

Nick Bostrom is a philosopher known for his work on existential risk, the anthropic principle, human enhancement ethics, whole brain emulation, and superintelligence risks. His recent book, Deep Utopia, explores what might happen if we get AI development right.

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Elaine Pagels is an American historian of religion. She is the Harrington Spear Paine Professor of Religion at Princeton University. Pagels has conducted extensive research into early Christianity and Gnosticism. Buy "The Origin of Satan" by Elaine Pagels here.

Rory Sutherland is a British advertising executive, and vice chairman of the Ogilvy & Mather group of companies. His book, Alchemy, is available here.

Bart Ehrman is a New Testament scholar focusing on textual criticism of the New Testament, the historical Jesus, and the origins and development of early Christianity. He was one of the first people in the world to see the rediscovered manuscript of the Gospel of Judas, when he was asked by National Geographic to join a small team of experts who ve…

Jonathan Pageau is a French-Canadian icon carver, YouTuber and public speaker on symbolism, religion and the Orthodox faith.

Steven Bonnell II is a popular American political streamer known online as Destiny.

David Wolpe is an American rabbi, and Visiting Scholar at Harvard Divinity School. He was named the most influential Rabbi in America by Newsweek in 2012.

Joe Schmid is a PhD student in philosophy at Princeton University. He graduated with a B.A. in philosophy from Purdue University in 2022. He has published articles in metaphysics, philosophy of religion, and philosophy of time, and the author of books including "Existential Inertia and Classical Theistic Proofs". He runs the YouTube channel, "Majes…

John Nelson holds a PhD in Biblical Studies from the University of Edinburgh. His thesis is the first book-length study of Jesus' physical appearance in the Gospels. He runs a weekly Substack called "Behind the Gospels" which aims to make Biblical studies accessible to all.

Joe Folley is the creator of the YouTube channel "Unsolicited Advice" which creates short, digestible philosophical videos on a wide range of topics. He joins me today to discuss nihilism: its history, its meaning, and its significance in philosophy.

Steven West is the host of "Philosophize This!" one of the world's most popular philosophy podcasts. Listen to it here.

Iain McGilchrist is a psychiatrist, writer, and former Oxford literary scholar. McGilchrist came to prominence after the publication of his book The Master and His Emissary, subtitled The Divided Brain and the Making of the Western World.

Andrew Mark Henry is a scholar of religious studies. His research focus is early Christianity and late Roman religion. He earned his PhD at Boston University. His YouTube channel is "Religion for Breakfast".

Elaine Pagels is an American historian of religion. She is the Harrington Spear Paine Professor of Religion at Princeton University. Pagels has conducted extensive research into early Christianity and Gnosticism. See me speak at Level Up in Atlanta this June: http://levelupconferences.org/

Coleman Hughes is an American writer and podcast host. He is the author of "The End of Race Politics: Arguments for a Colorblind America".

Justin Sledge is currently a part-time professor of philosophy and religion at several institutions in the Metro-Detroit area and a popular local educator. His YouTube channel is "Esoterica".

Rory Stewart is a former UK Government minister, MP, and deputy governor in Iraq following the western invasion. He walked on foot for two years across Afghanistan, Iran, Pakistan, India and Nepal in 2002. He was a private tutor to both Prince William and Prince Harry. He now co-hosts The Rest is Politics with Alastair Campbell, one of the UK's mos…

A.C. Grayling is a British philosopher and author. In 2011 he founded and became the first Master of New College of the Humanities, an independent undergraduate college in London. Buy "Who Owns the Moon?" here.

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Sam Harris is a neuroscientist, philosopher, New York Times best-selling author, host of Making Sense, and creator of Waking Up.

Carlo Rovelli, an Italian theoretical physicist, is known mainly for his contributions to research in the field of quantum gravity. He is the author of Seven Brief Lessons on Physics, The Order of Time, and White Holes, amongst other works.