Charles Darwin & Herbert Spencer                  Charles Darwin, a British naturalist, revolutionized biology with his theory of evolution through the process of natural selection. Herbert Spencer was the major philosopher of biological and social evolution. Spencer's work significantly influenced 19th century developments in biology, psychology, sociology and anthropology. While Darwin was influential in the fields of natural history and geology, his theory of evolution created great controversy. He changed the way people thought about the role …showed first 75 words of 1275 total…

…showed last 75 words of 1275 total…gained through natural selection. However, Spencer believed in survival of the fittest in order to create a heterogeneous society. Both men's writings and theories became greatly controversial, but greatly influenced future scientists. Works Cited 1. Hudson, William Henry. An Introduction to the Philosophy         of Herbert Spencer. Haskell House Publishers: New         York, 1974. 2. Huxley, Julian. Charles Darwin and His World. Viking         Press: New York, 1965. 3. Skelton, Renee. Charles Darwin and the Theory of Natural         Selection. Children's Press Choice: Chicago, 1987.