Rosa Klebb was the Head of Operations for SMERSH, however in the movie she defected to SPECTRE. She led a mission to steal a Lektor decoding machine and humiliate the British Secret Service. She choose Tatiana Romanova to lead Bond into Istanbul and choose Red Grant to take the Lektor and kill Bond. Grant failed and Klebb was killed when she tried to take her revenge on Bond.
I hope you have just as much finding them as I did hiding them. If you find any of the caches along the way in need of attention, please contact me via my GC.com profile.