- Leo Strauss
- G.E.M. Anscombe
- Peter T. Geach
- G.J. Warnock
- Richard Joncas
- Gottlob Frege
- Sean Hand
- Georg Henrik von Wright
- Sue Jefferson
- Mark Jarman
- David Gauthier
- Ruth Scurr
- Kenneth Walton
- Steven H. Newton
- Anders Stephanson
- Douglas A. Macgregor
- David Jablonsky
- Michael Gelven
- Mercedes A. Wilson
- David Neuman