Marie Curie theory of "radioactivity" (a term that she coined), techniques for isolating radioactive isotopes, and the discovery of two elements, polonium and radium. Under her direction, the world's first studies into the treatment of neoplasms were conducted using radioactive isotopes. She founded the Curie Institutes in Paris and in Warsaw, which remain major centres of medical research today. During World War I, she developed mobile radiography units to provide X-ray services to field hospitals. While a French citizen, Marie Skłodowska Curie, who used both surnames, never lost her sense of Polish identity. She taught her daughters the Polish language and took
Marie-Paule Pileni Marie-Paule Pileni Marie-Paule Pileni is a French physical chemist who was born in Tananarive, Madagascar. She is a distinguished professor at the Université Pierre et Marie Curie (UPMC) and a Senior Member, since 1999, and administrator (2004–2011) of the Institut Universitaire de France, IUF. She is the daughter of Christophe Pileni, chief administrator of French Overseas possessions and Marie-Pasquine Micheletti, President of the Red Cross. She studied, from 1961 to 1966, at the Maison d'éducation de la Légion d'honneur (school for children of Légion d’Honneur members) then at the Université Pierre et Marie Curie (1967–1969) and at the Université Paris-Sud