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Nobel Prizes and Laureates


Nobel Prizes and Laureates

The Nobel Prize in Physics 1903
Henri Becquerel, Pierre Curie, Marie Curie

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Henri Becquerel - Facts

Antoine Henri Becquerel

Antoine Henri Becquerel

Born: 15 December 1852, Paris, France

Died: 25 August 1908, France

Affiliation at the time of the award: École Polytechnique, Paris, France

Prize motivation: "in recognition of the extraordinary services he has rendered by his discovery of spontaneous radioactivity"

Field: nuclear physics

Prize share: 1/2

Discovered Spontaneous Radioactivity

In 1897 when Henri Becquerel researched the newly discovered X-rays it led to studies of how uranium salts are influenced by light. By accident, he discovered that the uranium salts spontaneously emitted a penetrating radiation that could be registered on a photographic plate. Further studies made it clear that this radiation was something new - not the same type as X-rays. He had discovered a new phenomenon - radioactivity.

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