Who were the "Hollywood Ten," and what happened to them?

These are the members of the Hollywood Ten. Alvah Bessie, Herbert Biberman, Lester Cole, Edward Dmytryk, Ring Lardner, Jr., John Howard Lawson, Albert Maltz, Samuel Ornitz, Adrian Scott, and Dalton Trumbo.

These screenwriters and directors, who became known as the Hollywood Ten, received jail sentences and were banned from working for the major Hollywood studios.