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

8.6 (669)
1h 2min
Undaunted: The Forgotten Giants of the Allegheny Observatory

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Cast

Cain Alexander
Cain Alexander
Young Samuel Langley
Kurt Bell
Kurt Bell
Self
Robert R. Bell
Robert R. Bell
Josiah King
Len Caric
Len Caric
Harvey Childs
David Conrad
David Conrad
Narrator