Related by context. Frequent words. (Click for all words.) 63 Stephen Hawking 61 Professor Stephen Hawking 58 Richard Feynman 56 Prof Hawking 55 Einstein 55 Professor Hawking 55 Niels Bohr 54 mathematician 53 Carl Sagan 53 Stephen Wolfram 53 Feynman 52 Albert Einstein 52 Michio Kaku 52 theoretical physicist 52 James Lovelock 51 Simon Baron Cohen 51 Physicist 50 logician 50 Steven Pinker 50 Hawking 50 physicist 49 Neil deGrasse Tyson 49 quantum physics 49 boffin 49 Edward Teller 49 E = mc2 49 Astrophysicist 49 Ray Kurzweil 48 God Particle 48 Sigmund Freud 47 scientist Stephen Hawking 47 astronomer Carl Sagan 47 parapsychology 47 physicist Stephen Hawking 47 Friedrich Nietzsche 47 Mathematician 47 David Icke 47 Alan Turing 46 mathematicians 46 astrophysicist 46 Thomas Malthus 46 Nobelist 46 Heisenberg 46 Hawking radiation 46 mathematical genius 46 quantum theory 46 particle physicist 46 physicists 45 Kierkegaard 45 logarithms 45 falsifiable 45 Johannes Kepler 45 Phil Plait 45 AC Grayling 45 Mandelbrot 45 alien civilizations 45 transhumanism 45 Blaise Pascal 45 dunderhead 45 roboticist 45 philologist 45 Michael Shermer 45 astrophysics 44 transmutation 44 Extraterrestrial Intelligence 44 egghead 44 Etzioni 44 physics 44 Kaku 44 brainiac 44 philosopher 44 cosmologist 44 Nikola Tesla 44 cosmologists 44 theoretical physicists 44 theoretical physics 44 genious 44 Niccolo Machiavelli 44 Isaac Asimov 44 Bertrand Russell 44 Nobel Prize Winner 44 Aleister Crowley 44 particle physics 44 Roger Highfield 44 evolutionist 43 Kurzweil 43 PZ Myers 43 Nicolaus Copernicus 43 quantum mechanics 43 Creationist 43 Jacques Derrida 43 detective Sherlock Holmes 43 Godlike 43 thermodynamics 43 Wouk 43 theorems 43 polymath 43 Camille Paglia 43 Quantum Mechanics 43 Venusian 43 Haidt