[Revised entry by Stephen Thornton on July 31, 2026.
Changes to: Main text, Bibliography]
Karl Popper is generally regarded as one of the greatest philosophers of science of the twentieth century. He was also a social and political philosopher of considerable stature, a self-professed critical-rationalist, a dedicated opponent of all forms of scepticism and relativism in science and in human affairs generally and a committed advocate and staunch defender of the “Open Society”. One of the many remarkable features of Popper’s thought is the scope of his intellectual influence: he was lauded by…

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