The Jewish Encyclopedia - A Descriptive Record of the History, Religion, Literature, and Customs of the Jewish People From the Earliest Times to the Present Day; Aach Apocalyptic Literature #272168

In treating of those Jews whose activities have lain outside of distinctively Jewish Spheres, it has been deemed sufficient to give short sketches of their lives with a simple indication of what their contributions have been to their particular fields of labor. Only occasionally, and for reasons of weight, has a departure been made from this policy. A summary of the contributions thus made to the various sciences will be found under the respective headings.