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John Dalton is born in England.
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John Dalton suggested an atomic theory with spherical solid atoms based upon measurable properties of mass.
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John died of a stroke in Manchester England
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Thomson was born in Manchester England.
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Rutherford was born in Spring Grove NZ.
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Bohr was born in Copenhagen.
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Wilhelm discovered, by accident, x rays. First X-rays was of Rontgen's wife's ring hand.
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JJ Thomson studied canal rays and found they were associated with proton H+
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JJ Thomson used a Cathode Ray Tube to experimentally determine the charge to mass ratio e/m of an electron =1.759x10
8 columbs/grams -
Rutherford studied radiations emitted from Uranium and Thorium and named them Alpha and Beta
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JJ Thomson wins the Nobel Peace Prize in Physics for the discovery of the electron
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Rutherford wins the Nobel Peace Prize for Chemistry.
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Bohr developed an explanation of atomic structure that underlies regularities of the Periodic Table of Elements.His atomic model has atoms built up of successive orbital shells of electrons.
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Bohr won the Nobel Prize in Physics.
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In the summer of 1925, Bohr and Heisenberg published results that closed the Old Quantum Theory.
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Rutherford dies in Cambridge, Cambridgeshire.
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Thomson died in Cambridge.
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The first atomic bomb is dropped on Hiroshima. They called it "Little Boy".
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Bohr lived and died in Copenhagen
