World of the Sephardim," "The Other Side of the Holocaust - The Righteous Gentiles," "Wanderings - Jews in the Diaspora." Courses offered by the University of Judaism or Skirball Cultural Center? Not at all. These and other Jewish-oriented topics are part of the study-discussion groups of the PLATO Society at UCLA Extension. The organization's name is an acronym for Perpetual Learning and Teaching Organization and has nothing to do with the Greek philosopher.