Undaunted: The Forgotten Giants of the Allegheny Observatory
- يىل: 2012
- دۆلەت: United States of America
- ژانىر: Documentary
- Studio:
- ئاچقۇچلۇق سۆز: aviation, astronomy, observatory
- مۇدىر: Dan Handley
- Cast: Cain Alexander, Kurt Bell, Robert R. Bell, Len Caric, David Conrad
