Washington DC, USA. 2nd December 1953. A general view of the courtroom during Lautner's evidence during the House of Un-American Activities Committee Hearings, led by Senator Joseph McCarthy. In the front row of benches are Unger and his attorney. [Getty Images]

Washington DC, USA, 2nd December 1953, A general view of the courtroom during Lautner's evidence during the House of Un-American Activities Committee Hearings. In the front row of benches are Unger and his attorney (Photo by Popperfoto via Getty Images/Getty Images) — see more

Washington DC, USA, 2nd December 1953, A general view of the courtroom during Lautner's evidence during the House of Un-American Activities Committee Hearings. In the front row of benches are Unger and his attorney (Photo by Popperfoto via Getty Images/Getty Images)

American baseball player Jackie Robinson (1919 - 1972) of the Brooklyn Dodgers and his wife, medical practitioner Rachel Robinson, after he testified before the Un-American Activities Committee, July 22, 1952. (Photo by Afro American Newspapers/Gado/Getty Images) — see more

American baseball player Jackie Robinson (1919 - 1972) of the Brooklyn Dodgers and his wife, medical practitioner Rachel Robinson, after he testified before the Un-American Activities Committee, July 22, 1952. (Photo by Afro American Newspapers/Gado/Getty Images)

5th May 1953: American choreographer Jerome Robbins (1918-1998) (L) raises his right hand while being sworn in by Chairman Harold H. Velde at a House Un-American Activities Committee [HUAC] hearing, United States District Courthouse, Foley Square, New York City. Robbins testified that he had been a member of the Communist party between 1944-1947. (Photo by New York Times Co./Getty Images) — see more

5th May 1953: American choreographer Jerome Robbins (1918-1998) (L) raises his right hand while being sworn in by Chairman Harold H. Velde at a House Un-American Activities Committee [HUAC] hearing, United States District Courthouse, Foley Square, New York City. Robbins testified that he had been a member of the Communist party between 1944-1947. (Photo by New York Times Co./Getty Images)