This film tells the surprising story of how the Allegheny Observatory has been a world leader in the study of the stars since the 1860s. Self-educated, and often facing unrelenting hardships, the people associated with the Allegheny Observatory defied the odds to make enormous contributions to the founding of astrophysics and early aviation.
Release Date: April 18, 2012
February 03, 2016
January 01, 1956
February 24, 2013
June 23, 2013
January 10, 2012
December 17, 2013
January 01, 1969
September 27, 2007
January 01, 2010
January 01, 2010
October 01, 1990
January 01, 1962
December 05, 2007
December 19, 2021
February 09, 2022
March 14, 2004
December 21, 2021
January 08, 2002
January 01, 1969
January 01, 1951