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440 BCE
DEMOCRITUS
He said everything in the world is made up by tiny molecules he called ATOMOS in Greek called INDIVISIBLE. -
JOHN DALTON
He showed that various compounds were combinations of ATOMS. -
J.J THOMPSONS
He was a Physicist who discovered the ELECTRON because he had intelligent and bright students. -
ERNEST RUTHERFORD
He was one of J.J THOMPSONS students and was know as the FATHER OF THE NUCLEAR AGE. -
NIELS BOHR
He was also another of J.J THOMPSONS students who expanded on RUTHERFORDS,MAX PLANCK and ALBERT EINSTEIN nuclear model. -
WERNER HEISENBERG
He showed that it was impossible to determine both the exact SPEED and POSITION of ELECTRONS as they moved around an ATOM.