Most of the slaves, who were thus unconditionally freed, returned without any solicitation to their former masters, to serve them, at stated wages; as free men. The work, which they now did, was found to better done than before.
Bio: Michael James Duff is a British theoretical physicist and pioneering theorist of supergravity who is the Principal of the Faculty of Physical Sciences and Abdus Salam Chair of Theoretical Physics at Imperial College London.
