Keep scrolling down for answers and more stats ...
Sudden Death. Clicking a wrong answer ends the quiz!
Friedrich Nietzsche
René Descartes
Friedrich Engels
Democritus
Herbert Marcuse
Immanuel Kant
Karl Jaspers
Voltaire
Jacques Maritain
Ludwig Feuerbach
Arthur Schopenhauer
Martin Heidegger
Thomas Aquinas
Hans-Georg Gadamer
Ludwig Wittgenstein
Gottfried Wilhelm Leibniz
Jean-Paul Sartre
John Locke
José Ortega y Gasset
Auguste Comte
Georg Wilhelm Friedrich Hegel
Edmund Husserl
Max Scheler
Baruch Spinoza
Karl Marx