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    Isaac Newton

    Laws of motion, law of universal gravitation, basis for classical physics.
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    Pierre-Simon Laplace - Solar System

    Promoted the solar nebula hypothesis for the origin of the solar system.
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    Albert Einstein - Special Theory/General Theory

    Special Theory - Space and time are not separate continuums.
    General Theory - A fine spherical universe.
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    Fred Hoyle - The Universe

    The Universe had been born at one moment, about ten thousand million years ago in the past and the galaxies.
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    Penzias & Wilson - Radiation

    Penzias and Wilson discovered a cosmic microwave background radiation.