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  Italian (1564-1642) Improved the telescope and pointed it toward the sky. Yielded support for Earth revolving around the Sun
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  English (1635-1703) Discovered the Law of Elasticity
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  English (1643-1727) Principle of gravity. The Laws of Motion. Co-inventor of Calculus
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  Italian (1745-1827) First electric battery
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  English (1766-1844) Pioneering modern atomic theory
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  English (1791-1867) Electromagnetic field. Electromagnetic induction. Laws of eletrolysis
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  Irish (1824-1907) First and Second Laws of Thermodynamics
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  Sebian-American (1856-1943) First alternating current
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  English (1856-1940) Discovery of electron
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  German (1858-1947) Formulated quantum theory
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  New Zealand (1871-1937) Greatest of all experimental physicists. Idea of radioactive half-life
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  German-born (1879-1955) Developed Relativity - space and time are changable. E = mc2 ; relationship between energy and mass
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  Copenhagen (1885-1962) Modern idea of the atom. Nucleus at the center and electrons revolving around it
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  English (1891-1974) Discovery of the neutron
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  English (1902-1984) Predicted the existance of antimatter. Created key quantum mechanics equations. Foundation for mico-electronics industry.
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  American (1918-1988) Quantum electrodynamics. Quantum computing. Nanotechnology
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  English (1942- ) Explaining Black Holes. More on the General Theory of Relativity and Quantum Mechanics
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  American (1957- ) Headed a team that found the First signs of that top quarks exist