Talk:12 Nations/@comment-26283905-20150423011145/@comment-109.218.76.162-20150516004750

Moreover, Germany invented mostly all the rocket science used in the 1950's and 1960's by the soviet and US space program.

Wernher Von Braun also imagined the artificial gravity used in the Ark:

https://www.google.fr/#q=Von+Braun+1952+Space+Station