Marie Curie was a pioneering scientist known for her work in radioactivity. She was born in Poland in 1867 and later moved to France, where she conducted most of her research. Curie was the first woman to win a Nobel Prize and the only person to win Nobel Prizes in two different scientific fields: Physics and Chemistry. Her groundbreaking work included the discovery of the elements polonium and radium. Curie's research played a significant role in advancing our understanding of atomic physics and has laid the groundwork for future developments in fields like nuclear medicine.