Dalton Trumbo: Blacklisted Hollywood Radical by Larry Ceplair and Christopher Trumbo Much of the research for this episode stemmed from the book I’m working on about Howard Hughes in Hollywood. Special thanks also to Hilary Swett at the Writers Guild of America West for pointing me to clippings files and documents in their collection -- a true wealth of information, much which, in the interest of running time, I wasn’t able to include or could only briefly mention in this episode.