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370
Democritus
He discovered that all mass is made of atoms -
Antoine Lauoisier
dicovered the conservation of mass -
John Dalton
Discovered the atomic theroy in 1803 -
J.J. Thomson
Discovered the electron -
Ernest Ruthurford
discovered the half life of elements and the therory of nucular atoms -
Neils Bohr
Discovered the structure of atoms -
Erwin Schrodinger
Discovered energy waves -
James Chadwick
Discovered the nucles in atoms