Marie Curie - portrait of the French scientist, pioneer in the fields of radiation, radioactivity and radiology, working in her laboratory in Sorbonne, Paris 1898. [Getty Images]

Marie Curie - portrait of the French scientist, pioneer in the fields of radiation, radioactivity and radiology, working in her laboratory in Sorbonne, Paris 1898. PC: 15 May 1859 - 19 April 1906.MC: 7 November 1867 - 4 July 1934.Awarded the Nobel Prize in physics jointly in 1903.From 'L'Illustration', 29 December 1923 edition. (Photo by Culture Club/Getty Images)

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