Marie Skłodowska Curie (/ˈkjʊri, kjʊˈriː/; French: [kyʁi]; Polish: [kʲiˈri]; 7 November 1867 – 4 July 1934) was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first woman to win a Nobel Prize, the first person and only woman to win twice, the only person to win twice in multiple sciences, and was part of the Curie family legacy of five Nobel Prizes.