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Popper, Karl (1902–1994)

Karl Raimund Popper was an Anglo-Austrian thinker who is generally considered to be one of the most influential philosophers of science of the 20th century. He was also a prominent libertarian, who offered a trenchant defense of the basic principles of liberal democracy and of market economics at a time when both were under global threat from fascism and communism. He first rose to prominence in the English-speaking world with the publication of The Open Society and Its Enemies (1945), a work that he described as his “contribution to the war effort.” The publication of later works, such as The Poverty of Historicism (1957) and The Logic of Scientific Discovery (1959), greatly enhanced his reputation as a thinker of originality and subtlety, whose radical views ...

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