His magnum opus was The Synthetic Philosophy (1896).
Herbert Spencer - Herbert Spencer - The synthetic philosophy in outline: Spencer saw philosophy as a synthesis of the fundamental principles of the special sciences, a sort of scientific summa to replace the theological systems of the Middle Ages. He thought of unification in terms of development, and his whole scheme was in fact suggested to him by the evolution of biological species. Herbert Spencer, English sociologist, philosopher, and early advocate of the theory of evolution. He advocated the preeminence of the individual over society and of science over religion and is remembered for his doctrine of social Darwinism.
Herbert Spencer (27 April 1820 - 8 December 1903) was an English philosopher.