Undaunted: The Forgotten Giants of the Allegheny Observatory (2012)
Popularidad: 1
Idioma original: EN
Duración: 62 min
Presupuesto: $260,000
Países: United States of America
Dirección: Dan Handley
Guión: Dan Handley
Cain Alexander
Young Samuel Langley
Kurt Bell
Self
Robert R. Bell
Josiah King
Len Caric
Harvey Childs
David Conrad
Narrator
Dan Handley
Editor, Writer, Producer, Director
William Peduto
Executive Producer
Scott Michael Burns
Original Music Composer
Jeff Garton
Director of Photography
Mark Knobil