Clinton Richard Dawkins (born 26 March 1941) is an ethologist, evolutionary biologist, and writer. He is an emeritus fellow of New College, Oxford, and was the University of Oxford's Professor for Public Understanding of Science from 1995 until 2008. Dawkins came to prominence with his 1976 book The Selfish Gene, which popularised the gene-centred view of evolution and introduced the term meme. In 1982, he introduced into evolutionary biology the influential concept that the phenotypic effects of a gene are not necessarily limited to an organism's body, but can stretch far into the environment, including the bodies of other organisms. This concept is presented in his book The Extended Phenotype. religion debate. Samuel B. "Sam" Harris (born April 9, 1967) is an American author, philosopher, and neuroscientist. He is the co-founder and chief executive of Project Reason. He is the author of The End of Faith, which was published in 2004 and appeared on The New York Times Best Seller list for 33 weeks. The book also won the PEN/Martha Albrand Award for First Nonfiction in 2005. In 2006, Harris published the book Letter to a Christian Nation as a response to criticism of The End of Faith. This work was followed by The Moral Landscape, published in 2010, his long-form essay Lying in 2011, the short book Free Will in 2012, and Waking Up: A Guide to Spirituality Without Religion in 2014 atheist debate, atheism.