It is a bizarrely beautiful image: A man in a spacesuit stands isolated in an alien world. His companion, the photographer, and their landing craft are reflected in his visor. This photograph, taken by Neil Armstrong of fellow astronaut Buzz Aldrin, is the most famous documentation of America's 1969 moon landing. But to people in every country on Earth, it represented and still does so much more. The man in the photograph was hundreds of thousands...