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Abraham Polonsky
From Anarchopedia
Abraham Polonsky (born 1910 December 5) was an American director, screenwriter, novelist, who wrote essays, radio scripts and several novels before starting his career in Hollywood.
He joined the Communist party and was active in union politics. His film projects were stopped when he refused to testify before the House Unâ€American Activities Committee. Although blacklisted Polonsky continued in film industry, writing TV scripts and doctoring screenplays. Other blacklisted screenwriters: Paul Jarrico, Michael Wilson, Hugo Butler, Dalton Trumbo, Howard Fast.