-
John Dalton
Invented an atomic theory -
J.J Thomson
Discovered electrons -
Ernest Rutherford
Discovered protons -
Niels Bohr
Looked into atoms and their structure -
Henry Moseley
Created a modern day perdoic table. He also created atomic numbers for each individual element. -
Francis Aston
Invented the mass spectrometer -
Murry Gell Mann
Discovered the quark -
James Chadwick
Proved the existance of neutrons
