Marie Curie's name is known world-wides. She's the first woman to become a Nobel laureate. She is admired by many women, and is now a legend. But who is this woman behind the legend? And who is this great scientist of the last century? Hélène Langevin, Marie Curie's granddaughter, confided in Jérémie Dres retelling, with tenderness, her grandmother's exceptional life.