Marie Curie was a physicist and chemist originally from Poland who later became a naturalized French citizen. She is recognized for her pioneering work in the field of radioactivity, a term she coined, and for her significant contributions to science alongside her husband, Pierre Curie. Curie was awarded the Nobel Prize in Physics in 1903, which she shared with Pierre Curie and Henri Becquerel, for research on radioactivity. In 1911, she received the Nobel Prize in Chemistry for discovering the elements radium and polonium and for her work in isolating radium and studying its properties.