Related by context. Frequent words. (Click for all words.) 72 Feynman 58 Linus Pauling 58 Buckminster Fuller 58 Einstein 57 Edward Teller 57 Carl Sagan 55 Albert Einstein 55 Bertrand Russell 55 Francis Crick 55 Nobel Laureate 55 theoretical physicists 54 theoretical physicist 54 cosmologist 54 Isaac Asimov 53 mathematician 53 theoretical physics 53 HG Wells 53 theorems 52 Stephen Hawking 52 mathematicians 52 physicists 52 Robert Heinlein 52 physicist 52 von Neumann 51 Johannes Kepler 51 Sigmund Freud 50 quantum physics 50 Mandelbrot 50 Aldous Huxley 50 quantum mechanics 49 Nobel laureate 49 Hawking 49 cosmologists 49 Mathematician 49 Hannah Arendt 49 John Kenneth Galbraith 49 Ray Kurzweil 49 Friedrich Nietzsche 49 quantum theory 49 philosophers 49 Alan Turing 48 philosopher 48 polymath 48 Louis Pasteur 48 cosmology 48 Enrico Fermi 48 Pythagoras 48 Professor Hawking 48 Malthus 48 Physicist 48 Carl Jung 48 theorist 47 Asimov 47 Heisenberg 47 Schumpeter 47 Harlan Ellison 47 Nobel Prize 47 Nikola Tesla 47 Caltech 47 Newtonian 47 physics 47 theoreticians 47 science fiction novels 47 String Theory 47 evolutionist 47 Nobel Prize winners 47 Immanuel Kant 47 Isaac Newton 47 astrophysicists 46 Charles Darwin 46 futurists 46 theorists 46 Bhabha 46 Bethe 46 physicist Stephen Hawking 46 Kurt Vonnegut 46 Nobel Laureates 46 astrobiologist 46 Ramanujan 46 Timothy Leary 46 Galileo Galilei 46 Tim Berners Lee 46 Jonas Salk 46 evolutionary biologists 45 Kierkegaard 45 Random Walk 45 Keynes 45 John Maynard Keynes 45 Craig Venter 45 Amartya Sen 45 theoretician 45 Philosopher 45 Wittgenstein 45 astrophysicist 45 Leibniz 45 Peter Diamandis 45 Dean Kamen 45 Oliver Sacks 45 astrobiology 45 economist Milton Friedman 45 Vonnegut