He was the first to propose that an atom comprises a small charged nucleus. (Ernest Rutherford)

Ernest Rutherford

Ernest Rutherford, a New Zealand chemist is regarded as the “father of nuclear physics.”

He was the first to propose that an atom comprises a small charged nucleus.

And surrounded by empty space and is circled by tiny electrons which later.

It became known as the Rutherford model.

He is credited with the discovery of protons and hypothesized the existence of the neutron.