Joseph Henry (dec 17, 1797 – may 13, 1878)

Description:

2nd President of the National Academy of Sciences
In office:1868–1878
Preceded by:Alexander Dallas Bache
Succeeded by:William Barton Rogers
1st Secretary of the Smithsonian Institution
In office
1846–1878
Preceded by Office established
Succeeded by Spencer Fullerton Baird
Personal details
Born:December 17, 1797
Albany, New York, U.S.
Died:May 13, 1878 (aged 80)
Washington, D.C., U.S.
Resting place Oak Hill Cemetery, Washington, D.C.
Scientific career
Monuments Professor Joseph Henry, Washington, D.C.
Alma mater Albany Academy
Known for:
Improving the electromagnet (1830)
Inventing the electric doorbell (1831)
Inventing the relay (1835)
Spouse:Harriet Alexander
Children:4, including Mary
Fields: Physics

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