Addis, Laird
Laird Addis is Professor Emeritus of Philosophy at the University of Iowa. He has published numerous articles and books in philosophy of mind, metaphysics, philosophy of the social sciences, and philosophy of music. His books include Natural Signs: A Theory of Intentionality (1989) and Of Mind and Music (1999).
Tegtmeier, Erwin
Erwin Tegtmeier is Professor of Philosophy at University of Mannheim. His areas of research are ontology, theory of knowledge, philosophy of science, medieval philosophy, and early phenomenology (Brentano and Meinong). His books include Grundzüge einer katergorialen Ontologie (1992), Zeit und Existenz (1997), and (ed.) Ontologie (2000).
Jesson, Greg
Greg Jesson is completing his Ph.D. degree at the University of Iowa with a dissertation on Husserl and the ontology of knowledge. His research interests include philosophy of mind, metaphysics, history of philosophy, and phenomenology. He has published “Plantinga’s Externalism and the Terminus of Warrant-Based Epistemology” (2003) and “Fregean Senses: An Early Account of External Content” (2005).