Related by context. Frequent words. (Click for all words.) 53 Richard Feynman 50 astronomer Carl Sagan 48 Oliver Sacks 48 Martian Chronicles 47 Nicolaus Copernicus 47 Reinhold Niebuhr 47 Buckminster Fuller 47 James Lovelock 46 Roland Barthes 46 Daniel Dennett 46 Aleksandr Solzhenitsyn 46 Carl Sagan 46 Professor Stephen Hawking 46 Norman Vincent Peale 46 Friedrich Nietzsche 46 Stephen Wolfram 45 Tony Judt 45 cosmologist 45 Professor Hawking 45 Stanley Milgram 45 Niels Bohr 45 Kenneth Tynan 45 Bertrand Russell 45 Wernher von Braun 45 Steven Pinker 44 Stephen Hawking 44 Jacques Derrida 44 Michio Kaku 44 scientism 44 Edward Teller 44 Arthur Koestler 44 Manning Marable 44 historian Howard Zinn 44 Big Bang theory 44 Simon Baron Cohen 43 satellite Sputnik 43 Feynman 43 German Expressionism 43 John Kenneth Galbraith 43 Galileo Galilei 43 Thomas Malthus 43 Reverend Jerry Falwell 43 Neil deGrasse Tyson 43 deconstructionist 43 Garth Jennings 43 Zarathustra 43 Selfish Gene 43 Sergei Eisenstein 42 Rorty 42 Michael Shermer 42 Albert Einstein 42 scientist Stephen Hawking 42 evolutionist 42 Nobelist 42 Sputnik satellite 42 Italo Calvino 42 HG Wells 42 Greil Marcus 42 George Santayana 42 Stanley Kubrick 42 Postmodernism 42 Jeremy Rifkin 42 Rainer Werner Fassbinder 42 theoretical physicist 41 Wouk 41 GK Chesterton 41 Prof Hawking 41 John Maynard Keynes 41 playwright Tom Stoppard 41 Bad Astronomy 41 Astrophysicist 41 Phil Plait 41 Roger Vadim 41 Aldous Huxley 41 rationalist 41 Hawking 41 Garry Wills 41 Niccolo Machiavelli 41 Mandelbrot 41 gnostic 41 Liberal Fascism 41 PZ Myers 41 Baudrillard 41 Robert Heinlein 41 messianism 41 physicist 41 Atomic Age 41 iconoclastic 41 quantum theory 40 Valéry Giscard d' Estaing 40 Johann Wolfgang von Goethe 40 expressionism 40 Hofstadter 40 historicism 40 Blaise Pascal 40 Nobel Prize Winner 40 Kurt Vonnegut 40 Gnosticism 40 Soviet cosmonaut Yuri Gagarin 40 Umberto Eco 40 Vikram Sarabhai