Died 1891-05-11.
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Edmond Becquerel
Alexandre-Edmond Becquerel was a French physicist who studied the solar spectrum, magnetism, electricity, and optics. In 1839, he discovered the photovoltaic effect, the operating principle of the solar cell, which he invented in the same year. He is also known for his work in luminescence and phosphorescence. He was the son of Antoine César Becquerel and the father of Henri Becquerel, the discove…
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science · French physicist (1820–1891) · physicist · photographer · university teacher · chemist · also Edmond Becquerel, Alexandre Edmont Becquerel, Alexandre-Edmond Becquerel, E. Becquerel, Becquerel
Born 24 March 1820 · Died 11 May 1891 · Q315048
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1891· 1 entry
1888· 1 entry
Awarded Foreign Member of the Royal Society (1888).
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1880· 1 entry
Career landmark: president of the French Academy of Sciences (1880–1880).
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1868· 1 entry
Awarded honorary member of the Physics Association (Frankfurt am Main, Germany) (1868).
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1867· 1 entry
And 1868 Becquerel published La lumière, ses causes et ses effets (Light, its Causes and Effects), a two-volume treatise which became a standard text
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1864· 1 entry
Career landmark: president (1864–1888).
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1853· 1 entry
Becquerel discovered thermionic emission
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1849· 1 entry
And in 1853, received the Chair of Physics at the Conservatoire des arts et métiers
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1848· 1 entry
Produced color photographs of the solar spectrum, and also of camera images, by a technique later found to be akin to the Lippmann interference method, but the camera exposures required were impractically long and the
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1840· 1 entry
Discovered that the silver halides, natively insensitive to red and yellow light, became sensitive to that part of the spectrum in proportion to their exposure to blue, violet and ultraviolet light, allowing daguerreo
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1839· 2 entries
Discovered the photovoltaic effect, the operating principle of the solar cell, which he invented in the same year
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At age 19, while experimenting in his father's laboratory, Becquerel created the world's first photovoltaic cell
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1820· 1 entry
Born 1820-03-24.
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