-
460 BCE
democritus
He brought up the thought -
384 BCE
aristotle
disagreed with democritus -
Robert Boyle
wrote a book about the 4 elements -
Antoine Lavoisier
found that mass is conserved in chemical reaction -
Joseph Proust
first pubished his Law of Definite -
John Dalton
said that all matter was composed of atoms -
Amadeo Avogadro
hypothesis that equal volcumes of different gases -
Joseph Gay-Lussac
discover one of the fundamental law of gases -
Henri Becquerel
first to conculude that atoms could be radiactive -
J.J. Thomson
discoved the electron -
Max Planck
originator for the quantum theory -
Robert Millikan
understandings of the structure of the atom and atomic theory -
Ernest Rutherford
discoved alpha and beta rays -
Niels Bohr
proposed a theory for the hydrogen atoms -
Erwin Schrodinger
To the wav thery of matter and to other fundamentals of quantum mechanics -
Louis de Broglie
research on quantum theory and for predicting the wave nature of electrons -
Werner Heisenberg
it was for physics