This is the first series of "Journey Into Space", digitally remastered. Set in 1965, which was then in the future, it tells of the conquest of the moon and of what happened to the first astronauts to set foot on the lunar surface.
Ask a dozen people to name a genius and the odds are that 'Einstein' will spring to their lips. Ask them the meaning of 'relativity' and few of them will be able to tell you what it is.