1 janv. 400 av. J.-C. - Democritus

Description:

He lived for about 90 years and traveled through Greece to study Philosophy. He said that everything is made of atoms and that they are not divisible. He also stated that they are indestructible, are always moving. and that there is an infinite kind of atoms and in different sizes and shapes. This is important for the electrons history as he states that the atom is always moving which is true when it comes to the atom and the electron itself.