Discover the fascinating story of Elizebeth Smith Friedman, the groundbreaking cryptanalyst who helped bring down gangsters and break up a Nazi spy ring in South America. Her work helped lay the foundation for modern codebreaking today.
Discover the fascinating story of Elizebeth Smith Friedman, the groundbreaking cryptanalyst who helped bring down gangsters and break up a Nazi spy ring in South America. Her work helped lay the foundation for modern codebreaking today.
Dr. Joseph Kinyoun was a leader in the diagnosis and prevention of infectious diseases in America. He created the Hygienic Laboratory, the nation’s first federal laboratory of medical bacteriology which later became the National Institutes of Health.
In 1900, the first case of bubonic plague to ever be confirmed in North America was diagnosed in San Francisco. Scientists did not understand how the disease was transmitted but had long theorized that rats played a role.
Rupert Blue was a physician in the Marine Hospital Service, the precursor to the modern U.S. Public Health Service. In 1901 he launched a public health campaign that ended a deadly bubonic plague outbreak in San Francisco.
