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John Dalton
John Dalton is born in England. -
JOHN DALTON
John Dalton suggested an atomic theory with spherical solid atoms based upon measurable properties of mass. -
John Dalton
John died of a stroke in Manchester England -
JJ Thomson
Thomson was born in Manchester England. -
Rutherford
Rutherford was born in Spring Grove NZ. -
Niels Bohr
Bohr was born in Copenhagen. -
Wilhelm Conrad Röntgen
Wilhelm discovered, by accident, x rays. First X-rays was of Rontgen's wife's ring hand. -
J J THOMSON
JJ Thomson studied canal rays and found they were associated with proton H+ -
CRT
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
Rutherford studied radiations emitted from Uranium and Thorium and named them Alpha and Beta -
Nobel Peace Prize
JJ Thomson wins the Nobel Peace Prize in Physics for the discovery of the electron -
Nobel Peace Prize
Rutherford wins the Nobel Peace Prize for Chemistry. -
NIELS BOHR
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. -
Nobel Peace Prize
Bohr won the Nobel Prize in Physics. -
QUANTUM
In the summer of 1925, Bohr and Heisenberg published results that closed the Old Quantum Theory. -
Rutherford
Rutherford dies in Cambridge, Cambridgeshire. -
JJ Thomson
Thomson died in Cambridge. -
Atomic Bomb
The first atomic bomb is dropped on Hiroshima. They called it "Little Boy". -
Niels Bohr
Bohr lived and died in Copenhagen
