Born 16 Jul 1874; died 17 Jan 1929 at age 54.

Joseph Goldberger was an Austrian-American epidemiologist who is best known for his work showing the connection between pellagra and a deficiency in the diet of poor people.

Beginning in 1902, he investigated various diseases: yellow fever, typhoid fever, dengue fever, infections by trematodes (parasitic worms), typhus fever, and diphtheria. In 1914, the U.S. Surgeon General asked Dr. Goldberger to research the treatment of pellagra, the disease of the four D’s—dermatitis, diarrhea, dementia and, too often, death.

Goldberger rejected the prevailing germ theory, and showed pellagra was not infectious. Instead, the disorder resulted from a poor corn-based diet, unless supplemented with yeast.

After he died, it was Conrad A.Elevjhem who identified (1937) the missing nutrient was niacin, a B vitamin.

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