Related by context. Frequent words. (Click for all words.) 64 physicist 64 Niels Bohr 61 Paul Dirac 60 Richard Feynman 59 Johannes Kepler 58 quantum physicist 57 theoretical physicist 57 Feynman 57 physicists 56 Szilard 56 Werner Heisenberg 56 quantum theory 56 mathematician 56 Charles Babbage 55 particle physicist 55 Filippenko 55 Nobelist 55 Eric Kandel 54 Edward Teller 54 philologist 54 boson 54 Bethe 54 quantum mechanics 53 arXiv 53 Astrophysicist 53 physicist Albert Einstein 53 Maskawa 52 Roger Kornberg 52 Einstein 52 Nicolaus Copernicus 52 Albert Einstein 52 Physics 52 Panofsky 52 theoretical physics 52 Stephen Wolfram 51 physics 51 photoelectric effect 51 high temperature superconductivity 51 theoretician 51 Cavendish Laboratory 51 quantum optics 51 superfluidity 51 astronomer Carl Sagan 51 positron 51 cosmologist 51 Physicist 51 Francis Crick 50 TIFR 50 Kroto 50 Nobel Laureate 50 Niels Bohr Institute 50 Andre Geim 50 von Neumann 50 Mandelbrot 50 theoretical physicists 50 Schrödinger 50 Nobel Prize Winner 50 Vikram Sarabhai 50 QCD 50 Heisenberg 49 Einstein theories 49 Gofman 49 particle physics 49 astrophysical 49 Bose Einstein condensate 49 DESY 49 E = mc2 49 Michio Kaku 49 mathematicians 49 Garching Germany 49 journal Applied Physics 49 JILA 49 Hawking radiation 48 Theoretical Physics 48 Leibniz 48 Prof Hawking 48 quantum entanglement 48 Karl Popper 48 electromagnetism 48 astrophysics 48 cosmologists 48 Homi Bhabha 48 Quarks 48 Chemical Physics 48 Crutzen 48 quantum physics 48 Madame Curie 48 Brownian motion 48 Konstantin Novoselov 48 gravitational wave 48 Caltech 48 particle physicists 48 Martin Heidegger 48 Spintronics 48 Leroy Hood 48 Fraunhofer ISE 47 Nuclear Physics 47 Professor Stephen Hawking 47 Wernher von Braun 47 Nature Photonics 47 Roger Highfield