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.

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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.