Bergson Henri Bergson france Bruno Giordano Bruno italy Camus Albert Camus france Comte Auguste Comte france Condorcet Nicolas de Condorcet france D'Alembert Jean le Rond d'Alembert france Deleuze Gilles Deleuze france Descartes René Descartes france Diderot Denis Diderot france Engels Friedrich Engels germany Feuerbach Ludwig Feuerbach germany Fichte Johann Gottlieb Fichte germany Hegel Georg Wilhelm Friedrich Hegel germany Hobbes Thomas Hobbes uk Hume David Hume uk Husserl Edmund Husserl germany James William James usa Kant Immanuel Kant germany Kierkegaard Søren Kierkegaard denmark Leibniz Gottfried Wilhelm Leibniz germany Locke John Locke uk Machiavelli Niccolò Machiavelli italy Marx Karl Marx germany Montaigne Michel Eyquem de Montaigne france Nietzsche Friedrich Nietzsche germany Rousseau Jean-Jacques Rousseau switzerland Schelling Friedrich Wilhelm Joseph von Schelling germany Schopenhauer Arthur Schopenhauer germany Serres Michel Serres france Spinoza Baruch Spinoza netherlands Thoreau Henry David Thoreau usa Vico Giambattista Vico italy Voltaire François-Marie Arouet (Voltaire) france Whitehead Alfred North Whitehead uk Wittgenstein Ludwig Wittgenstein austria Wolff Christian Wolff germany