j.j thomson put forward the plum pudding theory according to which element is like pudding of positive charge and tiny negative charges stuck inside like plums in pudding.
J. J. Thomson was born on 1856-12-18.
J. J. Thomson died on 1940-08-30.
Joseph John Thomson.
J. J. Thomson discovered the electron and the isotopes.
J. J. Thomson discovered the electron.
Sir J. J. Thomson was born on December 18, 1856.
Sir J. J. Thomson was born on December 18, 1856.
J J Thomson
J. J. Thomson is credited with the discovery of electrons.
J. Arthur Thomson was born in 1861.
J. Thomson discovered the electron.
Sir J. J. Thomson died on August 30, 1940 at the age of 83.