James G. Lennox (Editor) James G. Lennox is Professor Emeritus of History and Philosophy of Science, University of Pittsburgh. He has published widely on Aristotle, Charles Darwin and evolutionary biology. His books include Aristotle: On the Parts of Animals I-IV , a translation and commentary in Oxford's Clarendon Aristotle Series (2001), Aristotle's Philosophy of Biology in the Cambridge Studies in Philosophy and Biology Series (2001), Aristotle on Inquiry (Cambridge, 2021), as well as many co-edited volumes, including the first two in this series. Gregory Salmieri (Editor) Gregory Salmieri teaches philosophy at The University of Texas, Austin, where he is a senior scholar at the Salem Center for Policy. He is author of many articles on Rand's philosophy and is co-editor (with Allan Gotthelf) of A Companion to Ayn Rand (Wiley-Blackwell, 2016) and (with Robert Mayhew) Foundations of a Free Society : Reflections on Ayn Rand's Political Philosophy (University of Pittsburgh Press, 2019).