#onthisday in 1903, Marie Curie defended her doctoral thesis on radioactive substances at Université de la Sorbonne in Paris, becoming the first woman in France to receive a doctoral degree.
The examination committee expressed the opinion that Curie's findings, including the determination of Radium’s atomic weight, represented the greatest scientific contribution ever made in a doctoral thesis. Of the committee’s three members, were two future Nobel Laureates Gabriel Lippmann (Physics 1908) and Henri Moissan, (Chemistry 1906).
[Image credit: https://www.nobelprize.org/]