Curie was born in Paris. Marie and Pierre Curie were her parents. In 1926, Curie married Frédéric Joliot-Curie, a French physical chemist. He joined Curie’s Radium Institute in 1925. In 1934, they discovered that they that could make stable elements radioactive. Curie and Joliot had a son and a daughter. Curie was also interested in social and intellectual advancement of women. In 1936, she became the Undersecretary of State for Scientific Research.