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100
Democritus
(Acctually in B.C.) He kept cutting something in half until he couldn't any more. Then he theroyieszed that all things are made of little things. And we can't cut them in half. He was the first to think of atoms. -
John Dalton
Found that atoms can be weighted and how to weight them. -
Marie Curie
Discovered Radiation and new radioactive elements (atoms). She died from the radiation doses that she was near. -
JJ Thompson
Found out about Electrons and Isotopes. -
Ernest Rutherford
Found info that atoms can release radiation If radioactive. -
Niels Bohr
Found out that electrons orbit the nucleus. -
Albert Einstein
Came up with a equation to break apart atom nuclear cores. -
Max Planck
Helped Albert Einstein come up with info about atomic radiation.