ORGANIZATION@1 at LOCATION@1 In NUMBER@1 , PERSON@1 made a fundamental discovery in the domain of nuclear science : he discovered the particle in the nucleus of an atom that became known as the neutron because it has no electric charge .

In NUMBER@1 PERSON@1 made a very important discovery : he discovered the particle in the nucleus of an atom that became known as the neutron because it has no electric charge .
