David Lewis
Bob Mumford
René Descartes
Kathrin Koslicki
Stephen Mumford
Immanuel Kant
Michael J. Loux
Bertrand Russell
E. Jonathan Lowe, E. J. (Professor of Philosophy Lowe, University of Durham), Professor of Philosophy E J Lowe
Martin Heidegger
Willard van Orman Quine
Saul A. Kripke
Ludwig Wittgenstein, Charles Kay Ogden
David Hume
Alfred North Whitehead
Freiherr von Gottfried Wilhelm Leibniz
Aristotle