- Richard Rorty
- Walter W. Skeat
- Marilyn Frye
- Anne Sibley O'Brien
- Gene Sharp
- Jack DuVall
- George Boole
- Peter Ackerman
- Roberto Mangabeira Unger
- Robert L. Holmes
- Pascal Engel
- Dan Berger
- Kenyon Farrow
- Perry Edmond O'Brien
- Robert P. Moses
- Nikolai A. Berdyaev
- Greg Moses
- John J. Ansbro
- Richard A. Wasserstrom
- Leonard Jerome Harris