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World Brain is a collection of essays and addresses by the English science fiction pioneer, social reformer, evolutionary biologist and historian H. G. Wells, dating from the period of 1936–1938. Throughout the book, Wells describes his vision of the World Brain: a new, free, synthetic, authoritative, permanent “World Encyclopaedia” that could help world citizens make the best use of universal information resources and make the best contribution to world peace.

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