Marie Curie of Marie Curie, and the United Nations declared that this would be the International Year of Chemistry. An artistic installation celebrating "Madame Curie" filled the Jacobs Gallery at San Diego's Museum of Contemporary Art. On 7 November, Google celebrated the anniversary of her birth with a special Google Doodle. On 10 December, the New York Academy of Sciences celebrated the centenary of Marie Curie's second Nobel Prize in the presence of Princess Madeleine of Sweden. Marie Curie was the first woman to win a Nobel Prize, the first person to win two Nobel Prizes, the only woman to win in
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