George C. Williams (biologist) should only be used where it is really necessary", and, that, when it is necessary, selection among genes or individuals would in general be the preferable explanation for it. He elaborated this view in later books and papers, which contributed to the development of a gene-centered view of evolution; Richard Dawkins built on Williams' ideas in this area in the book "The Selfish Gene". Williams was also well known for his work on the evolution of sex, and was an advocate of evolutionary medicine. In later books, including "Natural Selection: Domains, Levels and Challenges", Williams softened his views on group
The Evolution of God The Evolution of God The Evolution of God is a 2009 book by Robert Wright, in which the author explores the history of the concept of God in the three Abrahamic religions through a variety of means, including archeology, history, theology, and evolutionary psychology. The patterns which link Judaism, Christianity, and Islam and the ways in which they have changed their concepts over time are explored as one of the central themes. One of the conclusions of the book that Wright tries to make is a reconciliation between science and religion. He also speculates on the future of the concept