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 (charity) year. Actor Hugh Grant did publicity work for the organization in 2008 after his mother received care from Marie Curie Cancer Research. The Great Daffodil Appeal is the flagship fundraising campaign of Marie Curie Cancer Care. Companies and individuals sell daffodil pin badges and wear yellow in support. Walk to Remember (formerly Walk Ten) is a 10 km walk in various locations around the UK. Marie Curie's Blooming Great Tea Party runs over two weeks in June where individuals and companies provide tea and cakes in order to raise funds for the charity. Marie Curie (charity) Marie Curie is a