James Chadwick
Developed the Neutron
early years
james chadwick spent two years working under and assisting Professor Rutherford in the famous Cavendish Laboratory at Cambridge University, where Rutherford had discovered the nucleus of the atom in 1910. Chadwick's research focused on radioactivity. During World War I, his research took place outside of England, and in 1919 he returned and continued his work with Rutherford, assisting in studies of the properties and structure of atomic nuclei.
James Chadwick and the neutron