The end of the blacklist took more than a decade, and involved a lot of people, including President John F. Kennedy. The process also weakened the production code and dissolved the studio system. Afterward, some victims of the blacklist struggled to move on. http://www.youmustrememberthispodcast.com/episodes/2016/6/18/kirk-douglas-dalton-trumbo-and-otto-preminger-breaking-the-blacklist-part-2