Marie Curie (1867–1934) whose work changed our modern understanding of matter and energy, was the first woman to win a Nobel Prize and the only woman to win the award in two different fields. Along with her husband Pierre, Curie’s efforts led to the discovery of polonium and radium and, after Pierre’s death, the development of X-rays. This sleek Samsung case protects your phone from scratches, dust, oil, and dirt. It has a solid back and flexible sides that make it easy to take on and off, with precisely aligned cuts and holes. • Hybrid Thermoplastic Polyurethane (TPU) and Polycarbonate (PC) material • Solid polycarbonate back • Flexible polyurethane sides • .5 mm raised bezel • See-through sides