Platon
Immanuel_Kant
René_Descartes
David_Hume
John_Locke
Ludwig_Wittgenstein
Henri_Bergson
George_Berkeley
Johann_Fichte
Herakleitos
Zhuangzi
Bertrand_Russell
Søren_Kierkegaard
Hans-Georg_Gadamer
Robert_Nozick
Edgar_Morin
Georg_Henrik_von_Wright
Susan_Haack
Paul_Benacerraf
Gilbert_Harman
Alvin_Goldman
Dominique_Lecourt
Dario_Antiseri