Related by context. Frequent words. (Click for all words.) 60 Francis Crick 59 Thomas Malthus 58 Nobelist 57 Gregor Mendel 56 evolutionary biologists 56 Steven Pinker 56 Daniel Dennett 56 philosopher 56 Bertrand Russell 56 Martin Heidegger 56 James Lovelock 55 Malthus 55 Rorty 55 Arthur Koestler 55 quantum physicist 55 Karl Popper 55 evolutionist 54 Reinhold Niebuhr 54 Richard Feynman 54 philologist 53 Terry Eagleton 53 Alfred Russel 53 Strachey 53 Epicurus 53 Paul Dirac 53 taxonomist 52 empiricist 52 Claude Levi Strauss 52 double helix structure 52 eugenicist 52 Buckminster Fuller 52 Hannah Arendt 52 evolutionary biologist 52 Greek philosophers 52 Selfish Gene 52 eminent historian 52 Schrödinger 52 Friedrich Nietzsche 52 Edward Gibbon 52 developmental biologist 52 Sigmund Freud 52 Hofstadter 52 Percy Bysshe Shelley 52 Leibniz 52 Charles Darwin 52 Cotton Mather 51 GK Chesterton 51 logician 51 anatomist 51 ethnologist 51 Niels Bohr 51 theoretician 51 paleoanthropologist 51 Werner Heisenberg 51 Jacques Derrida 51 philosophers 51 Blaise Pascal 51 Schopenhauer 50 Trevor Roper 50 Paracelsus 50 geneticist 50 Eric Foner 50 Astrophysicist 50 Philosopher 50 Aldous Huxley 50 Menand 50 Edwin Hubble 50 Freud 50 Nobel Prize Winner 50 Eighteenth century 50 physicist Albert Einstein 50 Nicolaus Copernicus 50 AC Grayling 50 palaeontologist 50 Diderot 50 Linnean Society 49 Linnaeus 49 Orientalists 49 cosmologist 49 Martin Buber 49 Romantic poet 49 freethinker 49 Lao Tzu 49 biogeography 49 classical antiquity 49 Benjamin Disraeli 49 Walter Lippmann 49 HG Wells 49 Poinar 49 theoreticians 49 Antonio Gramsci 49 popularizer 49 Deists 49 Buber 49 Edward Teller 49 Galileo Galilei 49 polymath 49 Carl Jung 49 Friedrich Engels 49 eminent scholar 48 Charlotte Brontë