Religion or Ethnicity?Can someone be considered Jewish if he or she never goes to synagogue, doesn't keep kosher, and for whom the only connection to his or her ancestral past is attending an annual Passover seder? In Religion or Ethnicity? fifteen leading scholars trace the evolution of Jewish identity. The book examines Judaism from the Greco Roman age, through medieval times, modern western and eastern Europe, to today. Jewish identity has been defined as an ethnicity,