Related by context. Frequent words. (Click for all words.) 69 Stephen Hawking 69 Professor Hawking 62 physicist Stephen Hawking 61 Hawking 52 Alan Turing 50 Jodrell Bank 49 Richard Feynman 49 Ray Kurzweil 48 Albert Einstein 47 Sir Ian McKellen 47 Richard Dawkins 47 Stephen Fry 46 Roger Highfield 46 Charles Darwin 46 Carl Sagan 45 motor neurone disease 45 cosmologist 45 Dean Kamen 45 Top Gear presenter 44 Craig Venter 44 Marie Curie 44 Sir Ian Botham 44 Sir Tim Berners 44 Pratchett 44 boffin 44 Steven Pinker 43 astrophysicist 43 Francis Crick 43 Terry Pratchett 43 theoretical physicist 43 Nobel Laureate 43 physicist 43 Nasa 43 Feynman 43 Tim Berners Lee 43 Wilmut 43 Galileo Galilei 43 Phil Plait 43 Rory Bremner 42 Sir Richard Branson 42 Burt Rutan 42 Cernan 42 Heston Blumenthal 42 mathematician 42 David Attenborough 42 Konstantin Novoselov 42 Jade Goody 42 Eddie Izzard 42 Carol Vorderman 41 HG Wells 41 Derren Brown 41 Peter Diamandis 41 astrophysics 41 Einstein 41 physicists 41 NASA Kepler 41 Iris Murdoch 41 John Betjeman 41 Noel Edmonds 41 Astronomer 41 Johannes Kepler 41 Princess Beatrice 41 author JK Rowling 41 Turing 40 Philip Pullman 40 Nobel laureate 40 Christopher Reeve 40 SCIENTISTS 40 Bodleian Library 40 Germaine Greer 40 Isaac Newton 40 playwright Harold Pinter 40 Randy Pausch 40 Perimeter Institute 40 Tony Blair 40 Bruce Forsyth 40 Ben Fogle 40 theoretical physicists 40 JG Ballard 39 Alan Titchmarsh 39 Tony Benn 39 Eamonn Holmes 39 mathematicians 39 Isaac Asimov 39 Spike Milligan 39 Esther Rantzen 39 scientists 39 John Cleese 39 Royal Geographical Society 39 X PRIZE Foundation 39 campaigner Peter Tatchell 39 cosmologists 39 Richard Branson 39 polymath 39 Richard Madeley 39 Buzz Aldrin 39 unmanned spacecraft 39 Boris Johnson 39 Jeremy Paxman 39 Boffins 39 Rutherford Appleton