1.	Abelard, Peter (1079-1142) (6)
2.	Aristotle (384 - 322 BCE) (5)
3.	Aquinas, St Thomas (1225 - 1274) (8)
4.	Ayer, A.J. (1910 - 1989) (2)
5.	Bentham, Jeremy (1748 - 1832) (7)
6.	Berkeley, George (1685 - 1753) (8)
7.	Berlin, Isaiah
8.	Bradley, F.H.
9.	Carnap, Rudolf
10.	Chomsky, Noam (1928 - ) (6)
11.	Dennett, Daniel
12.	Descartes, René
13.	Dewey, john
14.	Diogenes
15.	Dummett, Michael
16.	Epictetus
17.	Epicurus
18.	Feyerabend, Paul
19.	Fichte, Johann
20.	Hegel, G. W. F.
21.	Heidegger, Martin
22.	Hobbes, Thomas
23.	Hume, David (1711 - 1776) (6)
24.	Husserl, Edmund
25.	Hypatia
26.	James, William
27.	Kant, Immanuel
28.	Kierkegaard, Soren (1813 - 1855) (9)
29.	Kripke, Saul
30.	Kuhn, Thomas
31.	Lessing, Gotthold Ephraim (1729 - 1781)
32.	Locke, John (1632-1704) (5)
33.	Lombard, Peter
34.	Lucretius
35.	Machiavelli, Niccolo
36.	Maimonidies, Moses
37.	Nietzsche, Friedrich (1844-1900) (2)
38.	Nozick, Robert
39.	Parmenides
40.	Pascal, Blaise
41.	Peirce, C.S.
42.	Plantinga, Alvin
43.	Plato
44.	Plotinus
45.	Protagoras
46.	Popper, Karl
47.	Putnam, Hilary
48.	Quine, W.V.O.
49.	Rand, Ayn
50.	Rawls, John
51.	Rousseau, Jean-Jacques
52.	Russell, Bertrand
53.	Ryle, Gilbert
54.	Sartre, Jean-Paul
55.	Schopenhauer, Arthur
56.	Singer, Peter
57.	Spinoza, Baruch
58.	Socrates
59.	Turing, Alan
60.	Vico, Giambattista
61.	Voltaire
62.	Weil, Simone
63.	Whitehead, A.N.
64.	Wittgenstein, Ludwig
65.	Wollstonecraft, Mary