George C. Williams (1926-2010) was professor emeritus of ecology and evolution at the State University of New York at Stony Brook. Richard Dawkins is professor emeritus at the University of Oxford. An evolutionary biologist, he is the bestselling author of many books, including The Selfish Gene, The God Delusion, and The Extended Phenotype.
This is an exciting, significant, and important work.... On the whole it will have a very beneficial influence on biology with a rich supply of subjects and targets for some years to come.... This is a carefully constructed, carefully written scholarly work, in the best sense of these words. -L. B. Slobodkin, Quarterly Review of Biology A beautifully written and excellently reasoned essay in defense of Darwinian selection as a sufficient theory to explain evolution without the necessity of group selection, population adaptation, or progress. -R. C. Lewontin, Science