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Period: 400 to
My Timeline
Science -
427
Plato
Called substances elements. -
470
Democritus
First to suggest the idea of atoms. -
John Dalton
Devised Daltons Atomic Theory. -
Earnest Rutherford
Conducted the gold foil experiment. Discovered that the atom is mostly empty. -
J.J. Thompson
He discovered the electron after observing a beam of light. -
Max Planck
He said that the energy emittedd by a resonator could only take on discrete values or quanta. -
Niels Bohr
Modelled his atomic structure after the solar system. -
Aristotle
Stated that earth, air, fire, and water have their own specific properties.