Undaunted: The Forgotten Giants of the Allegheny Observatory
- साल: 2012
- देश: United States of America
- शैली: Documentary
- स्टूडियो:
- कीवर्ड: aviation, astronomy, observatory
- निदेशक: Dan Handley
- कास्ट: Cain Alexander, Kurt Bell, Robert R. Bell, Len Caric, David Conrad
