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 1936Ð1938.[1] 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.