J. Thomson discovered the electron.
The electron was the first subatomic particle to be discovered in 1897 by J.J. Thomson through his cathode ray tube experiments.
John Joseph Thomson (J.J. Thomson)
he discovered electrons
JJ Thomson
JJ Thomson discovered electrons, which showed that atoms are not indivisible.
cathode ray-tube was discovered by J.J. thomson.
J.J. Thomson.
J.J. Thomson
J.J. Thomson
Joseph john Thomson
J. J. Thomson discovered the electron and the isotopes.