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356
Aristotle
Aristotle was a Greek philosopher and did not believe in the atomic theory. He believed that humans contained fire, water, air, and earth. -
415
Democritus
Democritus was a philosopher. Democritus believed that everything in the world contains atoms. -
John Dalton
John Dalton was a chemist, meteorologist and physicist. He is mainly known for his work towards the modern day atomic theory. -
J.J. Thomson
J.J. Thomson was a British physicist. J.J, won the Nobel Peacde Prize in 1906 in the Physics department. J.J. was well known for his discovery of the electron. -
Hantaro Nagaoka
Nagaoka was a Japanese physicist. Nagaoka was known for his incorrect model of the atom. -
Ernest Rutherford
Ernest Rutherford was a chemist and a physicist. He claimed that atoms have their positive charge concentrated in a very small nucleus. -
Niels Bohr
Niels Bohr was a Danish physicist. He beleived that electrons traveled in circular waves around the atom. -
Erwin Schrodinger
Erwin Schrodinger was a physicist. Erwin was a father of quantum mechanics. Schrodinger suggested that electrons travel in a wave around the protons and neutrons.