SOJOURNER TRUTH, W.E.B. DUBOIS, SOCRATES (I need to pick his brain), PLATO, ARISTOTLE, JOHN LOCKE, DAVID HUME, RENE DESCARTES, NOAM CHOMSKY, FRANCOIS-MARIE AROUET aka VOLTAIRE, SIR ISSAC NEWTON, BLAISE PASCAL, IMMANUEL KANT, NICCOLO MACHIAVELLI, JEAN-PAUL SARTRE, JAMES MILL, BARUCH SPINOZA, JOHN STUART MILL, MARTIN HEIDEGGER, GEORGE BERKLEY, SOREN KIERKERGAARD, JEAN-JACQUES ROUSSEAU, GOTTFRIED W. LEIBNIZ, GEORG W.F. HEGEL, KARL MARX, JOHN DEWEY, CHARLES SANDERS PEIRCE, GILBERT RYLE, THOMAS AQUINAS, FRIEDRICH NIETZSCHE, CARL JUNG, B.F. SKINNER, CICERO, HIPPIAS, FRANCIS BACON AND ROGER BACON, MAO ZEDONG, HENRY DAVID THOREAU, LEON TROTSKY, ERNEST AND THOMAS NAGEL, GREGOR MENDEL, BERTRAND RUSSELL, J.L. AUSTIN, SIMONE de BEAUVOIR, GUSTAV BERGMANN, W.V.O. QUINE, EPICTETUS, AUGUSTINE, G.E. MOORE, DIOGENES, CHARLES BABBAGE, BOETIUS of DACIA, F.H. BRADLEY, STUART HAMPSHIRE, JOHN GAY, H.L.A. HART, AND SO MANY MORE........