Jean becquerel
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Becquerel and Curie
HO Ka-hon
July 2016
Have you ever heard of the names Becquerel and Curie? They were renowned scientists in the field of Physics and Chemistry. The French Physicist, Henri Becquerel, discovered the phenomenon of radioactivity. He shared the Nobel Prize in Physics with Marie Curie and Pierre Curie (Marie's husband) in 1903 for their work in radioactivity [1] . Madame Curie and her husband coined the term radioactivity. The well-known radioactive elements radium and polonium were discovered by them. Madame Curie was not only the first woman who honoured with Nobel Prize, but also the first one with two Nobel Prizes, one in Physics in 1903 and the other in Chemistry in 1911 [2] .
A radionuclide will emit radiation through the process of radioactive decay. The activity of a radioactive material is the number of radioactive decays occurring within a unit of time. In radiation context, the SI unit for activity is becquerel (Bq), which was named in honour of Henri Becquerel. One becquerel is defined as the activity of one radioactive decay per second. In g
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Henri Becquerel
French physicist (1852–1908)
Antoine Henri Becquerel (;[2]French:[ɑ̃ʁibɛkʁɛl]; 15 December 1852 – 25 August 1908) was a French physicist who shared the 1903 Nobel Prize in Physics with Pierre and Marie Curie for his discovery of radioactivity.[3] The SI unit of radioactivity, the becquerel (Bq), is named after him.
Biography
Family and education
Becquerel was born in Paris, France, into a wealthy family which produced four generations of notable physicists, including Becquerel's grandfather (Antoine César Becquerel), father (Alexandre-Edmond Becquerel), and son (Jean Becquerel).[4] Henri started off his education by attending the Lycée Louis-le-Grand school, a prep school in Paris.[4] He studied engineering at the École Polytechnique and the École des Ponts et Chaussées.[5]
Career
In Becquerel's early career, he became the third in his family to occupy the physics chair at the Muséum National d'Histoire Naturelle in 1892. Later on in 1894, Becquerel became chief engineer
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Henri Becquerel
Henri Becquerel’s Timeline
1852 Dec 15th Born in Paris, France.
1872 Entered at École Polytechnique.
1874 Began working for the Department of Roads and Bridges.
1877 Became an engineer at the Department of Roads and Bridges.
1878 Appointed as an Assistant at the Museum of Natural History
1888 Received a Doctor of Science degree.
1892 Appointed Professor of Applied Physics in the Department of Natural History at the Paris Museum.
1894 Appointed chief engineer of the Department of Roads and Bridges.
1895 Appointed Professor at École Polytechnique.
1896 Mar 1st Discovered that uranium emitted radiation without absorbing sunlight.
1903 Jointly received the Nobel Prize in Physics with Pierre and Marie Curie.
1908 Aug 25th Died in Le Croisic, France.
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