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Razib Khan's Unsupervised Learning

Feb 12, 2026

On this episode of Unsupervised Learning Razib talks to Peter Nimitz about the rise of the Slavs. His Substack, titled Nemets, explores world history through the lenses of archaeology, paleogenetics, and historical processes. His writing focuses on "deep history," such as the Bronze Age Collapse and the migration of...


Jan 12, 2026

On this episode, Razib talks to returning guest, Francis Young, a historian who teaches at Oxford. Young specialises in the history of religion and belief from ancient times to the present day, and provides expert indexes for academic books and translates medieval and early modern Latin. He holds a PhD from Cambridge...



Jul 18, 2025

Today Razib talks to David  Gress, a Danish historian. The son of an American literary scholar and a Danish writer, he grew up in Denmark, read Classics at Cambridge, and then earned a Ph.D. in medieval history from Bryn Mawr College in the US in 1981. During a fellowship form 1982-1992 at Stanford University’s...


Aug 2, 2024

On this episode of Unsupervised Learning Razib talks to archeologist and historian Bryan Ward-Perkins about his 2005 book The Fall of Rome: And the End of Civilization. Ward-Perkins was born and grew up in Rome, a son of architectural historian and archaeologist, John Bryan Ward-Perkins. Educated at Oxford University,...