Marie & Pierre Curie. Marie Curie was a polished and naturalized chemist who conducted pioneer research on Radioactivity. She was the first woman to win a Noble Prize, and the only woman to win in two fields!

Radioactivity & Pierre And Mary Curie

Radioactivity is the process by which the nucleus of an unstable atom looses energy by entering particles by ionizing radiation. According to the Quantum Theory it is impossible to predict when a particular atom will decay. Alpha decay is one Radioactive type of decay.