The Institute for Advanced Study

December 7, 1947
Cornell University, Ithaca, New York

Yesterday I had a talk with [Hans] Bethe about my future. . . . He said I should spend the second year at Princeton with [J. Robert] Oppenheimer, and that Oppenheimer would be glad to look after me...

The revised executive order unnecessarily and unfairly singles out and impedes the ability of people from six Middle Eastern and African countries from traveling to the United States unless they already hold visas or green cards. This order, as with...