Allan Gotthelf (1942–2013) was visiting professor of the history and philosophy of science at the University of Pittsburgh from 2003 to 2012 and Anthem Foundation Distinguished Fellow for Research and Teaching in Philosophy at Rutgers University from 2012 to 2013. He is the author of On Ayn Rand and Teleology, First Principles, and Scientific Method in Aristotle’s Biology and coeditor of Philosophical Issues in Aristotle’s Biology and Ayn Rand: A Companion to Her Works and Thought. He was a founding member of the Ayn Rand Society and coeditor of the Ayn Rand Society Philosophical Studies book series.
James G. Lennox is professor emeritus of history and philosophy of science at the University of Pittsburgh. He is the author of Aristotle on Inquiry, Aristotle: On the Parts of Animals I–IV, and Aristotle’s Philosophy of Biology: Studies in the Origins of Life Science. Lennox is coeditor of Philosophical Issues in Aristotle’s Biology; Being, Nature, and Life in Aristotle: Essays in Honor of Allan Gotthelf; and Concepts, Theories, and Rationality in the Biological Sciences. He was a founding member of the Ayn Rand Society and is coeditor of the Ayn Rand Society Philosophical Studies series.