Life is and will ever remain an equation incapable of solution, but it contains certain known factors

Marie Curie(Nov 7, 1867 to July 4, 1934)

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, and the only person to win a Nobel Prize in two different sciences.