Let's see, Greenglass, Rosenberg, Oppenheimer, Stone, Alterman, etc., etc.. See a trend here?
They were all Jewish,as was Hall and all the people who were the intellectuals who originated communism. In fact,the left is mostly controlled by Jews to this very day.
What is sickening is that few know about any of this. Hollywood still pretends traitors on Stalin's payroll were patriots sticking up for America and the Bill of Rights.