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 Curie Alumni Association Marie Curie Alumni Association The Marie Curie Alumni Association (MCAA) is a global network of researchers open to any past or present researchers supported by the Marie Skłodowska-Curie actions (MSCA). The MCAA gathers thousands of members from all disciplines and from all over the world, and represents the over 100 000 researchers that have been supported by the MSCA. The vision of the MCAA is a future in which knowledge will be used to benefit society. The MCAA is a non-profit, politically and commercially independent organization, supported through funding from the European Union and partnership with research related organizations. The