Joseph Henry
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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 pr
Henry, c. 1865–1878
Historical marker in Academy Park in Albany commemorating Henry's work with electricity
A portrait of Henry dated 1879
Henry's letter at the beginning of the 1876 annual report of Smithsonian Institution, showing the operations, expenditures, and condition of the institution that year
Thaddeus S. C. Lowe
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Thaddeus Sobieski Constantine Lowe, also known as Professor T. S. C. Lowe, was an American Civil War aeronaut, scientist and inventor, mostly self-educated in the fields of chemistry, meteorology, and
Thaddeus Lowe, c. 1890
Lowe's mammoth balloon the City of New York, later named Great Western, to be used in a transatlantic flight
Lowe's intended flight from Cincinnati shown in red. Actual flight in blue.
Thaddeus S. C. Lowe, c. 1865