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Bios Dates Field of Study Alhazen 955 – 1039 Atomic structure Archimedes 256 – 184 BC Buoyant forces Aristotle 384 – 322 BC Atomic structure 1923 – Semiconductors & transistors Antoine 1852 – 1908 Radioactivity - uranium 1950 – Superconductivity Gerd Bennig 1945 – Scanning tunneling Daniel Bernoulli 1700 – 1782 Fluid dynamics 1627 – 1691 Gas laws Walter Brattain 1902 – 1987 Semiconductors & transistors Robert Brown 1773 – 1858 Brownian Annie Jump Cannon 1863 – 1941 Astronomical mapping Sadi Carnot 1796 – 1832 Thermal efficiency Cavendish 1731 – 1810 Electromagnetic induction Anders 1701 – 1744 scale Nicholas Copernicus 1473 – 1543 Planetary motion Charles 1736 – 1806 Electric charge Marie 1867 – 1934 Radioactivity – radium, polonium John 1766 – 1844 1892 – 1987 Particle Democritus 460 – 370 BC Atomic theory Christian Doppler 1803 – 1853 Doppler effect 1879 – 1955 Relativity Gabriel 1686 – 1736 Temperature scale 1791 – 1867 Electrical capacitance 1901 – 1954 Nuclear chain reaction Williamina Fleming 1857 – 1911 Astronomical mapping Jean Baptiste Fourier 1768 – 1830 Mathematical transformations 1706 – 1790 Static Augustine Fresnel 1788 – 1827 Lens optics 1564 – 1642 Gravity/Telescope Luigi Galvani 1737 – 1798 Chemical battery Josiah Gibbs 1839 – 1903 Vector geometrical analysis William 1544 – 1603 Magnetism Sophie Germaine 1776 – 1831 Mathematical physics Edmond Halley 1656 – 1742 Comet motion 1901 – 1976 Caroline Herschel 1750 – 1848 - comets Heinrich 1857 – 1899 Electromagnetic spectrum 1635 – 1703 Mechanical elasticity Christian Huygens 1629 – 1695 James 1818 – 1889 Mechanical equivalent of heat Lord 1824 – 1904 Absolute zero Johannes Kepler 1571 – 1650 Planetary motion

5 Physicist Dates Field of Study Lewis Latimer 1848 – 1928 Incandescent Henrietta Leavitt 1868 – 1921 Astronomical mapping Gottfried Leibniz 1646 – 1716 Binary mathematics, calculus James 1831 – 1879 Electricity equations Lise Meitner 1878 – 1968 Nuclear fission Albert Michelson 1852 – 1931 Speed of Robert Millikan 1868 – 1953 Oil drop charge Maria Mitchell 1818 – 1889 Astronomy - comets Edward Morley 1838 – 1923 Speed of light Robert Noyce 1927 – 1990 Integrated circuits Georg 1789 – 1854 Electrical resistance Frank Oppenheimer 1912 – 1985 Los Alamos National Lab Blaise 1623 – 1662 Fluid pressure, mathematics 1900 – 1958 Subatomic particles 1870 – 1942 Radioactivity 1858 – 1947 Venkata Raman 1888 – 1970 Electromagnetic waves William Ramsey 1852 – 1916 Discovered helium Olaus Roemer 1644 – 1710 Speed of light 1933 – Scanning tunneling microscope Johannes Rydberg 1854 – 1919 Spectroscopy Ernest Rutherford 1871 – 1937 Radioactive transformation Erwin Schrödinger 1887 – 1961 Quantum mechanics 1910 – 1989 Semiconductors & transistors Willibrord Snell 1580 – 1626 Lens refraction Nikola 1856 – 1934 Electromagnetic induction J. J. Thompson 1856 – 1940 Cathode rays Lars Vegard 1880 – 1963 Proton – northern lights 1745 – 1827 James 1736 – 1819 Steam engine Thomas Young 1773 – 1829 of light, material stress 1907 – 1981 Subatomic particles

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