Hélène Langevin-Joliot (born 17 September 1927) is a
French nuclear physicist. She was educated at the
IN2P3 at
Orsay, a laboratory which was set up by her parents
Irène Joliot-Curie and
Frédéric Joliot-Curie. She is a member of the French government's advisory committee. Currently, she is a professor of
nuclear physics at the Institute of Nuclear Physics at the
University of Paris and a Director of Research at the
CNRS. She is also known for her work in actively encouraging women to pursue careers in scientific fields. She is Chairperson of the panel that awards the Marie Curie Excellence award, a prize given to outstanding European researchers. She is President of the French Rationalist Union.