<p><strong>Noun</strong></p><ul><li>Albert: (1879–1955) German physicist, U.S. citizen from 1940, formulator of the theory of relativity; Nobel Prize 1921.</li><li>Alfred: (1880–1952) German musicologist in U.S.</li><li>Physics: a unit of radiant energy, equal to the energy of radiation that is capable of photochemically changing one mol of a photosensitive substance.</li></ul>