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NOVA - Across the Silent Barrier

Seizoen: 4 - Aflevering: 18 / 74 - Eerst uitgezonden: 22 juni 1977 - Episode ID: 384625

NOVA explores the different means by which hearing-impaired people have learned to penetrate the world of the hearing by visiting with Kitty O'Neil—a woman record-holding speed car racer; Frances Parsons, an advocate of hearing-impaired persons' rights; and workers at Silent Industries—a factory in Los Angeles founded by a deaf man.