. . . . . . . "Martin Ostwald (January 15, 1922 \u2013 April 10, 2010) was a German-American classical scholar, who taught until 1992 at Swarthmore College and the University of Pennsylvania. His main field of study was the political structures of Ancient Greece."@en . "2010-04-10Z"^^ . . . . "1922-01-15Z"^^ . . . . . "Martin Ostwald"@en .