Nuclear physics began long before the identification of fundamental particles, with J.J. Thomson's discovery of the electron at the end of the 19th century, which implied the existence of a positive charge in the atom to make it neutral. -- source other than Library of Congress.

The fly in the cathedral -- Nuclear alchemy -- Powerful forces -- Odds, evens, and shells -- Making and breaking nuclei -- Beyond the periodic table -- Exotic nuclei -- Applied nuclear physics.