Salt of the Earth
1954
Herbert J. Biberman (March 4, 1900 – June 30, 1971) was an American screenwriter and film director. He was one of the Hollywood Ten and directed Salt of the Earth (1954), a film barely released in the United States, about a zinc miners' strike in Grant County, New Mexico. His membership in the Directors Guild of America was posthumously restored in 1997; he had been expelled in 1950. Wikipedia