#OnThisDay 1950: The Red Channels pamphlet was published, claiming there was a Communist influence on the U.S. entertainment industry. Some of Hollywood's biggest stars were accused of spreading subversive ideas through films. In this interview from 1960, screenwriter Dalton Trumbo (who went on to write Roman Holiday and Spartacus) talked about his experience of being imprisoned, writing under a pseudonym and his hope the blacklist was "practically over". | BBC Archive