This volume owes its origin to the perception of a puzzling paradox. Hans Christian Orsted, the great Danish scientist and philosopher, was one of the founders of modern physics through his experimental discovery in 1820 of the interaction of electricity and magnetism--a key step and model for the further unification of the forces of nature. Followers such as Maxwell and Einstein were, and today searchers worldwide are, enchanted by the hope for a completion of that grand program. In addition to Orsted's discovery of electromagnetism, his work in science included other fields, chiefly...