There's plenty of scope for further contributions, but a few previous questions have got a bit of information as a starting point:

• [What was the Soviet Union's equivalent of Operation Paperclip? Who did they pick up?] (http://www.reddit.com/r/AskHistorians/comments/1pdu4r/what_was_the_soviet_unions_equivalent_of/)
• [Was there a British equivalent of Operation Paperclip and if not then why?] (http://www.reddit.com/r/AskHistorians/comments/22xnln/was_there_a_british_equivalent_of_operation/)
• [After WW2, did any Allied Powers besides the U.S. bring over Nazi scientists to their countries or create their own version of Operation Paperclip?] (http://www.reddit.com/r/AskHistorians/comments/2845w4/after_ww2_did_any_allied_powers_besides_the_us/)