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
Curie Curie The curie (symbol Ci) is a non-SI unit of radioactivity originally defined in 1910. According to a notice in "Nature" at the time, it was named in honour of Pierre Curie, but was considered at least by some to be in honour of Marie Curie as well. It was originally defined as "the quantity or mass of radium emanation in equilibrium with one gram of radium (element)" but is currently defined as: 1 Ci = decays per second after more accurate measurements of the activity of Ra (which has a specific activity of .) In 1975 the General Conference