Michael Ruse is Professor Emeritus at the University of Guelph, Ontario and recently retired as the Lucyle T. Werkmeister Professor of Philosophy at Florida State University, Florida. His research interests focus on Darwinian evolutionary theory. He is a Guggenheim Fellow, a Gifford Lecturer, a Fellow of the Royal Society of Canada and the recipient of four honorary degrees. He is the author/editor of over sixty books, including The Cambridge Encyclopedia of Darwin and Evolutionary Thought (Cambridge University Press, 2013), The Cambridge History of Atheism (Cambridge University Press, 2021) and Understanding Natural Selection (Cambridge University Press, 2022).