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Marie Curie's birthplace, 16 Freta Street, Warsaw, Poland. Maria Salomea Skłodowska-Curie [a] (Polish: [ˈmarja salɔˈmɛa skwɔˈdɔfska kʲiˈri] ⓘ; née Skłodowska; 7 November 1867 – 4 July 1934), known simply as Marie Curie (/ ˈ k j ʊər i / KURE-ee; [1] French: [maʁi kyʁi]), was a Polish and naturalised-French physicist and chemist who conducted pioneering research on ...
Marguerite Catherine Perey (19 October 1909 – 13 May 1975) was a French physicist and a student of Marie Curie. In 1939, Perey discovered the element francium by purifying samples of lanthanum that contained actinium. In 1962, she was the first woman to be elected to the French Académie des Sciences, an honor denied to her mentor Curie ...
In 1939, Marguerite Perey, a student of Marie Curie, discovered the element francium by purifying samples of lanthanum that contained actinium. Perey first noticed that the actinium she purified was emitting unexpected radiation. After further study she was able to isolate this new element which she named "francium" for France. [32] Nuclear fission
The element was named after Marie Curie and her husband Pierre Curie, who are known for discovering radium and for their work in radioactivity. It followed the example of gadolinium, a lanthanide element above curium in the periodic table, which was named after the explorer of rare-earth elements Johan Gadolin: [13]
1898: Marie Curie discovered radium and polonium; 1898: J. J. O'Donnell discovers and documents the order-of-sequence for the sound of an approaching tornado; 1900–1949
Radium was discovered by Marie Skłodowska-Curie and her husband Pierre Curie on 21 December 1898 in a uraninite (pitchblende) sample from Jáchymov. [32] While studying the mineral earlier, the Curies removed uranium from it and found that the remaining material was still radioactive.