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Pierre Curie Born in Paris, France, Pierre was educated by his father, and in his early teens showed a strong aptitude for mathematics and geometry. By the age of 18 he had completed the equivalent of a higher degree, but did not proceed immediately to a doctorate due to lack of money. Instead he worked as a laboratory instructor. Pierre worked with his wife Marie Curie in isolating polonium and radium. They were the first to use the term radioactivity, and were pioneers in its study. Their work, including Maries celebrated doctoral work, made use of a sensitive piezoelectric electrometer constructed by Pierre and his brother Jacques. Research Pierre and one of his students made the first discovery of nuclear energy, by identifying the continuous emission of heat from radium particles. He also investigated the radiation emissions of radioactive substances, and through the use of magnetic fields was able to show that some of the emissions were positively charged, some were negative and some were neutral. These correspond to alpha, beta and gamma radiation. /wiki/Pierre_Curie Irène Joliot-Curie Irene carried on her parents research into radioactivity, first helping to establish the use of x-rays to diagnose injuries on the battlefield in World War I. Irene began working at her mothers Radium Institute in 1921. (1897-1956) Irène Curie with her mother Marie during World War I, 1915. Irène Curie at the Radium Institute, Paris, 1921. She married Frederic Joliot, a pupil of her mothers, in 1926. They both took the name Joliot-Curie. Together, the two physicists discovered artificial radioactivity. Their experiments found that certain elements became radioactive themselves after being exposed to radioactivity. Irène and Frédéric Joliot Curie in their lab at the Radium Institute, Paris, 1932. In 1935, Irene and Frederic were jointly awarded the Nobel Prize for Chemistry. In 1937, she became a professor at the Sorbonne in Paris and in 1946 was made