Marie Curie discovered radium and went on to lead the scientific community in studying the theory behind and the uses of radioactivity. She left a vast legacy to future scientists through her research, her teaching, and her contributions to the welfare of humankind. She was the first person to win two Nobel Prizes, yet upon her death in 1934, Albert Einstein was moved to say, "Marie Curie is, of all celebrated beings, the only one whom fame has not corrupted." She was a physicist, a wife and mother, and a groundbreaking professional woman. This biography is an inspirational and exciting story of scientific discovery and personal commitment.