who was the first person to discovered electron?

Answer 1

The discovery that the electron was a subatomic particle was made in 1897 by J.J. Thomson at the Cavendish Laboratory at Cambridge University, while he was studying cathode ray tubes.

There is a website with all the informations and animations that you will find it interesting.

http://www.aip.org/history/electron/jjhome.htm

Answer 2

It is J.J Thomson, an english physicist in 1897.
However, he hadn't found the protons and proposed the atom as something like a cake studded with raisins; the raisins were the electrons.
Later, this proposal will be corrected by Rutherford.

Answer 3

JJ Thomson (in 1897) is generally credited with discovering the electron.


Doug