- Harold I. Brown, Distinguished Research Professor Emeritus (Ph.D., Northwestern)
philosophy of science, epistemology
hibrown@niu.edu
- David J. Buller, Distinguished Research Professor Emeritus (Ph.D., Northwestern)
philosophy of science, logic and philosophy of logic, history of analytic philosophy
- James Dye (1934-2016), Professor Emeritus (Ph.D., Tulane)
ancient Greek philosophy, 18th century philosophy, philosophy of religion
- C. Michael Gelven (1937-2018), Distinguished Research Professor Emeritus (Ph.D., Washington University)
metaphysics, Heidegger, Kant, Nietzsche, philosophy in literature, philosophy of war
- James Hudson, Associate Professor Emeritus (Ph.D., Johns Hopkins)
ethics, social and political philosophy, analytic philosophy
jhudson@niu.edu
- Tomis Kapitan (1949-2016), Distinguished Teaching Professor Emeritus (Ph.D., Indiana)
metaphysics, philosophy of language, international ethics
- James King, Professor Emeritus (Ph.D., Notre Dame)
ethics, philosophy of law, modern philosophy
jtking@niu.edu
- Theodore Kisiel, Distinguished Research Professor Emeritus (Ph.D., Duquesne)
phenomenology, hermeneutics of natural science, history of philosophy, metaphysics
tkisiel@niu.edu
- William Tolhurst (1947-2011), Associate Professor Emeritus (Ph.D., University of Connecticut)
ethical theory, aesthetics, Chinese philosophy
- E. W. van Steenburgh, Associate Professor Emeritus (Ph.D., Michigan)
philosophy of mind
- Sharon Sytsma, Associate Professor Emeritus (Ph.D., Loyola)
ethical theory, biomedical ethics, ancient Greek philosophy
ssytsma@niu.edu
Adjunct Faculty
Dorothy Coleman, Adjunct Associate Professor (Ph.D., Penn State)
Hume, Kant, modern philosophy, epistemology, ethics
dcoleman@niu.edu
