Undaunted: The Forgotten Giants of the Allegheny Observatory (2012)认领

　　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. 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. Among its many distinctions, the All...