Undaunted: The Forgotten Giants of the Allegheny Observatory
Undaunted: The Forgotten Giants of the Allegheny Observatory
62 λεπτά
2012
HD
Είδη Ντοκυμαντέρ
αστέρια Cain Alexander, Kurt Bell, Robert R. Bell, Len Caric, David Conrad
Διευθυντές William Peduto, Scott Michael Burns, Dan Handley, Dan Handley, Dan Handley
Undaunted: The Forgotten Giants of the Allegheny Observatory