Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 514
William Conrad RoNtGEN, Munich Discoverer of X rays Antoine Henri Becquerel,Paris Discoverer of radioactivity … Madajvie Cukie, UniversityOF Paris E. Rutherford, Cambridge University (England) Discoverer of radioactive traus-formations A GROUP OF MODERN PHYSICISTS Discoverer of radium
Physics
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