Edmond Becquerel

Edmond Becquerel

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Credit: SHEILA TERRY/SCIENCE PHOTO LIBRARY

Caption: Edmond Becquerel (1820-1891) was a French physicist who did research into electricity, magnetism, optics, luminescence, phosphorescence and the solar spectrum. In 1839 he discovered the photovoltaic effect on which photoelectric light meters were based a century later. He is acknowledged as a founding father of colour photography In 1848 he achieved colour images on daguerrotype plates by means of an interference process.

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Keywords: 19th c, actinometer, becquerel, becquerel effect, colour photography, edmond, electricity, french, light-meter, lippmann interference, luminescence, magnetism, optics, phosphorescence, photoelectric, photovoltaic, photovoltaic effect, physicist, solar cell, solar spectrum

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