Development Of particle model

Democritus

2016 BCE

Democritus was the first who created atomic model.people understood the concept of atoms and made new inventions.

john Dalton

2016 BCE

Atomic theory – that is, the belief that all matter is composed of tiny, indivisible elements – has very deep roots.

Aristotle

Nov 1, 2016

First proposed the existence of an ultimate particle. Used the word "atoms" to describe this particle.