Ukanamungu
Wakanaji mashuhuri wa karne ya 19 walikuwa Ludwig Feuerbach, Karl Marx, Friedrich Engels, Arthur Schopenhauer na Friedrich Nietzsche. Wakanaji muhimu katika karne ya 20 walikuwa kwa mfano Stephen Hawking, Siegmund Freud, Bertrand Russell, Albert Camus, Simone de Beauvoir, Louis de Broglie, Erwin Schrödinger, David Kellogg Lewis, Vladimir Lenin, Paul Dirac, Marlene Dietrich, Albert Einstein, Jean Baptiste Perrin, Mao Zedong, Auguste Comte, Noam Chomsky, Isaac Asimov, James Chadwick, John Lennon, David Attenborough, Michel Foucault, Richard Feynman, Niels Bohr, Douglas Adams, Christopher Hitchens, Daniel Dennett, Richard Dawkins, Sam Harris, na Umberto Eco.