Undaunted: The Forgotten Giants of the Allegheny Observatory

This film tells the surprising story of how the Allegheny Observatory has been a world leader in the study of the stars since the 1860s. featt.fr Self-educated, and often facing unrelenting hardships, the people associated with the Allegheny Observatory defied the odds to make enormous contributions to the founding of astrophysics and early aviation. kaystreasures.biz libermann.com