International Astronautical Federation
On the evening of 21 March 2007, the International Astronautical Federation held a celebration of 50 Years of the Space Age at the headquarters of UNESCO in Paris, France. The celebration featured four distinguished speakers who reflected on what has been achieved in space during the past fifty years and looked ahead to what could be anticipated in the coming half century.
National Space Society
Website of the National Space Society: Exploring and Settling Space!