Marie Curie them on visits to Poland. She named the first chemical element that she discovered in 1898 "polonium", after her native country. Marie Curie died in 1934, aged 66, at a sanatorium in Sancellemoz (Haute-Savoie), France, of aplastic anemia from exposure to radiation in the course of her scientific research and in the course of her radiological work at field hospitals during World War I. Maria Skłodowska was born in Warsaw, in Congress Poland in the Russian Empire, on 7 November 1867, the fifth and youngest child of well-known teachers Bronisława, "née" Boguska, and Władysław Skłodowski. The elder siblings of Maria
Marie Curie distractions from her scientific labours, and the attendant publicity, caused her much discomfort but provided resources for her work. In 1930 she was elected to the International Atomic Weights Committee, on which she served until her death. Curie visited Poland for the last time in early 1934. A few months later, on 4 July 1934, she died at the Sancellemoz sanatorium in Passy, Haute-Savoie, from aplastic anemia believed to have been contracted from her long-term exposure to radiation. The damaging effects of ionising radiation were not known at the time of her work, which had been carried out without the