Herbert Spencer
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Herbert Spencer was an English polymath active as a philosopher, psychologist, biologist, sociologist, and anthropologist. Spencer originated the expression "survival of the fittest", which he coined
Spencer at the age of 73
As a young man
Spencer's tomb, in Highgate Cemetery, north London
Portrait of Spencer by John Bagnold Burgess, 1871–72
Positivism
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Positivism is a philosophical school that holds that all genuine knowledge is either true by definition or positive—the latter meaning a posteriori facts derived by reason and logic from sensory exper
Auguste Comte, the founder of modern positivism
Comte first laid out his theory of positivism in The Course in Positive Philosophy.
Positivist temple in Porto Alegre, Brazil
Émile Durkheim