Joseph Henry
American scientist and the 1st Secretary of the Smithsonian (1797-1878)
United StatesSummary
Updated 2026-05-29
Physicist who ran the Smithsonian Institution from its founding and later headed the National Academy of Sciences. Henry's electromagnet work made him a fixture in 19th-century American science before bureaucracy became his main gig.
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Joseph Henry was an American physicist and inventor who served as the first secretary of the Smithsonian Institution. He was the secretary for the National Institute for the Promotion of Science, a precursor of the Smithsonian Institution. He also served as president of the National Academy of Sciences from 1868 to 1878.
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Historical19.8
Source confidence60.0
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- Pantheon 2.0High confidencedatabase · pantheon.world
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