This is an English translation of Noordung's 'Das Problem der Befahrung des Weltraums'. It is a part of the NASA History Series. The book provides Noordung's insight as to how a space station might be constructed. Keep in mind that the author passed away in 1929. It contains ideas that were criticized for faults and those that were acclaimed for their potentially successful ingenuity. Profusely illustrated throughout.
Herman Potočnik (pseudonym Hermann Noordung) was an Austro-Hungarian rocket engineer and pioneer of cosmonautics (astronautics) of Slovene ethnicity. He is chiefly remembered for his work addressing the long-term human habitation of space.