1939

Crowe and associates at Hopkins begin study of hearing loss in school children via nasopharyngeal examination and irradiation of lymphoid tissue and hearing tests (Crowe, 164-167). Establishment of Tuskegee Infantile Paralysis Center following grant from National Foundation for Infantile Paralysis (Gould, 81-84). Advent of a drug treatment – sulfapyridine – for pneumonia (Marks, 67).