-
Dalton
Dalton discovered that elements are made up of super small particles called atoms. He used the atomic theory. -
Thomson
Thomson had a theory and discovered the electron using Crookes, or a cathrode ray tube. -
Rutherford
Rutherford had a theory of radioactivity and discovered that electrons orbited around the nucleus. -
Bohr
Bohr had a theory and discovered that there were energy transfer procceses using the quantom theory. -
Heisenberg and Schrodinger
They had a theory and discovered that each element was made up of unique atoms. They used mathmatical models. -
Democratis
Democratis had the theory of an atom and discoverd that atoms are industructable.
