Maria Curie-Sk³odowska with daughters Irène i Eve. Fhotography from 1926 r.
Irène Curie and Jean-Frédéric Joliot were awarded in 1935 with a Nobel prize for discovery of artificial radiactivity.
Alpha particles traces from different isotopes of radium. Different ranges of the particles indicate different energy.
More photos of Maria Curie and her family