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Joseph James Kinyoun (November 25, 1860-February 14, 1919) was founder and first director 1887-1899 of the United States' Hygienic Laboratory. Kinyoun began his career in the Marine Hospital Service as an assistant surgeon, taking over direction of the Laboratory of Hygiene in 1887. When the Surgeon General moved the laboratory from Staten Island to Washington, DC in 1891, Kinyoun moved as well. In 1899, he became head of the Marine Hospital Service in San Francisco. In March 1900 he was central to the discovery of the San Francisco plague of 1900-1904. He resigned his position in 1901 after allegations that his conclusive bubonic plague diagnoses were scaremongering. He was proven correct by independent testing and the appearance of further cases. Kinyoun's later career was spent in private companies and as a professor of bacteriology and pathology at George Washington University before becoming a bacteriologist for the District of Columbia Health Department, a position he held until his death. In 1909, Dr. Kinyoun served as president of the American Society for Microbiology.
