Related by context. Frequent words. (Click for all words.) 70 Richard Feynman 66 Feynman 54 physicists 54 theoretical physicists 53 Francis Crick 53 Carl Sagan 53 theoretical physicist 52 physicist 52 quantum theory 52 mathematician 52 Albert Einstein 52 Linus Pauling 52 Nobelist 51 mathematicians 51 Nobel Laureate 51 Einstein 50 Nobel laureate 50 Steven Pinker 50 economist Milton Friedman 50 physicist Stephen Hawking 49 Ray Kurzweil 49 cosmologist 49 particle physicist 49 quantum mechanics 49 Edward Teller 49 Bertrand Russell 49 Nassim Nicholas Taleb 49 Isaac Asimov 48 Nobel Prize Winner 48 Stephen Hawking 48 quantum physics 48 Buckminster Fuller 47 Alan Turing 47 cosmologists 47 Mandelbrot 47 Mathematician 47 Hawking 47 astrophysicists 47 DNA double helix 47 theorist 47 Professor Stephen Hawking 47 Malthus 46 von Neumann 46 theoreticians 46 scientists 46 philosopher 46 theorists 46 Heisenberg 46 Professor Hawking 46 Schumpeter 46 Theorists 45 theoretician 45 Reinhold Niebuhr 45 theorems 45 Physicists 45 Johannes Kepler 45 Milton Friedman 45 Francis Fukuyama 45 Hannah Arendt 45 particle physics 45 Nobel Prize 45 Theoretical 44 Hurwicz 44 physics 44 theoretical physics 44 Aldous Huxley 44 Laffer Curve 44 FA Hayek 44 Nobel prize 44 Mathematicians 44 evolutionist 43 particle physicists 43 Einstein theory 43 Wernher von Braun 43 cosmology 43 Sigmund Freud 43 Nobel Prize winners 43 Daniel Kahneman 43 HL Mencken 43 Newtonian 43 Hofstadter 43 JG Ballard 42 Keynes 42 Michel Foucault 42 astrophysics 42 Physicist 42 scientist 42 Kurzweil 42 astrophysicist 42 Schopenhauer 42 Apollo astronauts 42 science fiction 42 Berners Lee 42 cosmological 42 quantum computing 42 Xerox PARC 42 fractals 42 Robert Heinlein 42 philosophers 42 Foner 42 Arthur Schlesinger Jr.