sentences:  Warner felt that Communists were responsible for the studio's month-long strike that occurred in the fall of 1946, and on his own initiative, he provided the names of a dozen screenwriters who were dismissed because of suspected Communist sympathies, a move that effectively destroyed their careers.Former studio employees named by Warner included Alvah Bessie, Howard Koch, Ring Lardner Jr., John Howard Lawson, Albert Maltz, Robert Rossen, Dalton Trumbo, Clifford Odets, and Irwin Shaw.As one biographer observed, Warner "was furious when Humphrey Bogart, Lauren Bacall, Paul Henreid and John Huston joined other members of the stellar Committee for the First Amendment in a flight to Washington to preach against the threat to free expression".