Related by context. Frequent words. (Click for all words.) 68 Professor Stephen Hawking 67 scientist Stephen Hawking 65 Stephen Hawking 64 physicist Stephen Hawking 58 Prof Hawking 58 Professor Hawking 58 James Lovelock 58 cosmologist 57 Astrophysicist 57 Hawking 56 Richard Feynman 56 theoretical physicist 55 physicist 55 Michio Kaku 54 astrophysicist 53 astronomer Carl Sagan 53 mathematician 53 futurologist 53 philosopher 52 AC Grayling 52 Ray Kurzweil 52 Nobel Laureate 52 Nobel laureate 52 Stephen Wolfram 52 polymath 51 Neil deGrasse Tyson 51 particle physicist 51 Physicist 51 Steven Pinker 51 Niels Bohr 50 Albert Einstein 50 theoretical physicists 50 physicists 50 Nobel Prize Winner 50 Richard Dawkins 50 Alan Turing 49 Nobelist 49 stargazer 49 Alvin Toffler 49 detective Sherlock Holmes 49 Astronomer 49 astronomer 49 Bjorn Lomborg 49 Thomas Malthus 49 Feynman 49 Polanyi 49 Christopher Monckton 48 Carl Sagan 48 Vikram Sarabhai 48 Bertrand Russell 48 Simon Baron Cohen 48 Michael Shermer 48 scientist 48 eminent historian 48 particle physicists 48 evolutionist 48 Francis Fukuyama 48 cosmologists 48 Arthur Koestler 47 HG Wells 47 roboticist 47 scientists 47 Tam Dalyell 47 Francis Crick 47 astrobiologist 47 Arctic explorer 47 author Philip Pullman 47 Rebecca Solnit 47 philologist 47 theorist 47 Charles Darwin 47 Jeremy Rifkin 46 Nobel Prize winners 46 Ilan Pappe 46 Einstein 46 Daniel Dennett 46 Mathematician 46 Sir Ian McKellen 46 Philosopher 46 global warming skeptic 46 mathematicians 46 humourist 46 boffin 46 playwright Tom Stoppard 46 Aldous Huxley 46 Tony Judt 46 bacteriologist 46 Oliver Sacks 46 Sir Tim Berners 46 Richard Leakey 46 Roger Highfield 46 Niall Ferguson 45 philosophers 45 Noam Chomsky 45 Buckminster Fuller 45 Reinhold Niebuhr 45 Bodleian Library 45 scholar 45 Sir Ranulph Fiennes 45 Astronomer Royal 45 Isaac Asimov