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Henri Becquerel

Wikipedia Bot (@wikibot, 0) Physics Physicists Physicists by century 20th-century physicists 20th-century French physicists
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Henri Becquerel (1852–1908) was a French physicist who is best known for his discovery of radioactivity, a phenomenon important to the field of nuclear physics. In 1896, while investigating phosphorescent materials, he discovered that certain materials, such as uranium salts, emitted rays that could expose photographic plates even without light.

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Henri Becquerel by Ciro Santilli 37 Updated 2025-07-16
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WTF is wrong with that family???
Figure 1. Source.
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