Undaunted: The Forgotten Giants of the Allegheny Observatory
- Соли: 2012
- Кишвар: United States of America
- Жанр: Documentary
- Студия:
- Калимаи калидӣ: aviation, astronomy, observatory
- Директор: Dan Handley
- Рехтан: Cain Alexander, Kurt Bell, Robert R. Bell, Len Caric, David Conrad
