This is a very well-mapped diagram of the Russian Soviet spy ring, which is done by. This diagram shows the 'bosses', or rather, superiors of each individual character who is involved in the Rosenberg trials. It shows above that Julius Rosenberg was recruited by Alexander Feklisov; the former was responsible for engaging the help of the Soviet spies Sobell, Sarant, Greenglass, Perl and Barr.