Graham Bell, FRS, is James McGill Professor in the Department of Biology at McGill University. As an evolutionary biologist, his research interests focus on revealing the mechanism of natural selection, explaining the main features of life cycles, and investigating the maintenance of biodiversity.
Walter Dixon is a winner of Audible's "#1 Editor's Choice and Customer Favorites" award. He has narrated more than 200 audiobooks; performed in musical theater, drama and opera productions, and professional stand-up comedy; and voiced commercials, corporate videos, animated features, and vintage radio dramas.