Haim Gaifman is a professor of philosophy at Columbia university in New York City. He is also a mathematician and probability theorist. In this episode (Haim’s fourth appearance), Robinson and Haim discuss the origins of set theory as the mathematical discipline developed to study the infinite, as well as its relation to Richard’s paradox.

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David Albert is the Frederick E. Woodbridge Professor of Philosophy at Columbia University and one of the world’s most respected philosophers of physics. He is also the director of the Philosophical Foundations of Physics program at Columbia. David and Robinson talk about the relationship between ancient and contemporary physics, the continuum on which lie theoretical physics, the foundations of physics, the philosophy of physics, and metaphysics, scientific anti-realism, the direction of time, and how moral expressivism relates to the naturalistic project.  

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Christopher Bobonich is the Clarence Irving Lewis Professor of Philosophy at Stanford University. After studying government at Harvard, he went on to do his graduate work at Cambridge and Berkeley. He now works broadly across value theory in ancient philosophy, though he is currently writing about knowledge and action in Plato. Among other things, Chris and Robinson talk about ancient and modern languages, etymology, the relevance of ancient ethics to contemporary life, and how well ancient conceptions of morality are preserved today.

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Nick is a software engineer at a biotech company. He studied politics, philosophy, and economics at the University of Pennsylvania. He and Robinson talk about the events that led him to abandon his deeply-held religious beliefs after a lifetime of Christianity. They also talk about moral facts, whether there are any, and whether their absence should play a role in Robinson deciding to shift toward being a vegetarian.

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Ronnie is Robinson’s father. They talk about the Elgin Marbles and also a little bit about ice cream and donuts.

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Ezekiel Quittner-Strom is a physician doing his residency in internal medicine at the University of Iowa. In this episode Robinson and Ezekiel eat a three-course feast of frozen food from Trader Joe’s and talk about it while they eat it, heated up and not frozen. Said talking concerned, in addition to said not-frozen frozen food, Ezekiel’s legendary perfect score on the MCAT and how he got it.

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Ethan Hoppe is a violinist and technical sergeant in the United States Air Force. He studied violin at Northwestern and Yale before the pandemic changed the trajectory of his career. We talk about the history of classical music, the power of listening to the same in an ancient world, memorizing the Game of Thrones theme song for a White House performance, and how visualization can be used as a tool to combat stage fright.

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Caroline Hudson is a facial plastic surgeon completing her fellowship in Palo Alto, California. She and Robinson discuss why an ENT (ear, nose, and throat specialist) would become a plastic surgeon, the fine (or illusory?) distinction between “meh” and “tasty,” forehead lowering surgery, the nuances of rhinoplasty, and everything you might want to know about stimulating collagen to improve the quality of your skin. They also talk about baked goods and eat them while they talk about them.

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David Albert and Justin Clarke-Doane are both professors of philosophy at Columbia University. While David is one of the world’s most respected philosophers of physics, Justin has staked his own claim as the authority on the intersection between mathematics and ethics. Though this episode was unfortunately plagued by some audio problems, it proved an exciting glimpse into a debate between two leading thinkers. Before a heated discussion concerning the nature of moral facts in a physical world, David, Justin, and Robinson discuss the problem of absolute vs. relative space, physics’s potential to swallow up other disciplines, and the sophisticated relationship between physics proper and the philosophy of the same.  

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Graham Winn-Lee is Robinson’s best friend. Though that is how he likes to introduce himself, Graham is also an artist, graphic designer, and crocheting enthusiast with a lifelong passion for competitive dog grooming. This episode is exclusively about Robinson and Graham's respective post-apocalyptic fantasies and related feelings about zombies, dragons, and other pertinent creatures.

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