Carlo Rovelli is one of the world’s best-known scientists. A theoretical physicist, his books have sold over two million copies around the world. He recently came to Intelligence Squared to talk about his favourite scientist, the little-known Greek philosopher Anaximander, whose ideas, articulated over two millennia ago, lay the foundations for cosmology, physics, geography, meteorology, and biology. It's the subject of Rovelli's book, Anaximander: And the Nature of Science, now being published in English for the first time. In conversation with the award-winning historian Tom Holland, Rovelli shows how Anaximander opened up a path that we are still on today: one that requires us to accept the provisional nature of our knowledge and allows us to challenge, rebel against and create new images of our world. 
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