William Hallock Park

William Hallock Park (December 30, 1863 – April 6, 1939) was an American bacteriologist and laboratory director at the New York City Board of Health, Division of Pathology, Bacteriology, and Disinfection from 1893 to 1936.

[2][5] In addition to his work on diphtheria for which he was best known, his scientific inquiries also included studies on scarlet fever, pneumonia, tuberculosis, whooping cough, meningitis, polio, measles, and the relationship and cause of milk and infantile diarrhea.

[5][6] The following year, he received the Townsend Harris Medal from City College given to alumni with outstanding achievements.

[4] Although he did work on pathophysiology and immunity, his reputation in the field of microbiology was mainly for his contributions to public health and prevention of diseases.

[5] Park retired as director of the research laboratories of the Public Health Department of New York City in September 1936.