Who is person to discover nuetron,proton,electron?
A single person did not discover the atom. Earliest proponents were ancient Indian and Greeks. Dalton was the first to propose that all matter was made of atoms. Then J.J. Thompson discovered electrons. Rutherford proposed the modern theory that atoms had a central nucleus with positive charge with negatively charged electrons orbiting round it. Finally James Chadwick discovered the presence of neutrons in the nucleus of the atom.
