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The Popperian Podcast

May 6, 2024

This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Elliott Sober and Mehmet Elgin. They speak about Karl Popper’s analysis of evolutionary theory, how it changed over time, what he saw in the theory which made it less than scientific, and what he got wrong.

Elliott Sober is Hans Reichenbach Professor and William F. Vilas Research Professor emeritus, Department of Philosophy, University of Wisconsin—Madison.

Mehmet Elgin is a Professor in the Department of Philosophy at Muğla Sıtkı Koçman University, Muğla – Turkey.

*** Poppers Shifting Appraisal of Evolutionary Theory (PDF) Popper’s Shifting Appraisal of Evolutionary Theory (


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*** Underlying artwork by Arturo Espinosa