Pierre and Marie Curie at work in their laboratory.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Pierre and Marie Curie at work in their laboratory. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Pierre and Marie Curie at work in their laboratory. Wellcome Collection. Source: Wellcome Collection.