Gyula Klima is a professor of philosophy at Fordham University. He acts as director of the international Society of Medieval Logic and Metaphysics and an executive council member of the American Catholic Philosophical Association since 2003. Klima is the author of ARS ARTIUM: Essays in Philosophical Semantics, Medieval and Modern (1988) and John Buridan: Summulae de Dialectica (2001). Fritz Allhoff is Assistant Professor of Philosophy at Western Michigan University. He has published work in journals including American Journal of Bioethics, History and Philosophy of the Life Sciences, International Journal of Applied Philosophy, and Kennedy Institute of Ethics Journal. Anand Jayprakash Vaidya is Assistant Professor of Philosophy at San José State University. His research is in Metaphysics & Epistemology, and Philosophy of Mind.