Undaunted: The Forgotten Giants of the Allegheny Observatory
- کال: 2012
- هیواد: United States of America
- ډول: Documentary
- سټوډیو:
- کلیدي ټکی: aviation, astronomy, observatory
- ډایرکټر: Dan Handley
- کاسټ: Cain Alexander, Kurt Bell, Robert R. Bell, Len Caric, David Conrad
