"The Evolution of Theology: an Anthropological Study: Essay #8 from "Science and Hebrew Tradition" by Thomas Henry Huxley

Huxley was an English biologist and anthropologist specializing in comparative anatomy. He has become known as "Darwin's Bulldog" for his advocacy of Charles Darwin's theory of evolution. His work in evolution helped him to see how religion has changed over time and how the concept itself when through an evolution as society changed.