Marie Curie (1867-1934 seated at right), with Irene Curie (standing behind desk) and men dressed in army uniform in 1919 in the laboratory of Paris university, surrounded by her students, young physicists, members of the U.S. task force

UNSPECIFIED - JUNE 30: Marie Curie (1867-1934 seated at right), with Irene Curie (standing behind desk) and men dressed in army uniform in 1919 in the laboratory of Paris university, surrounded by her students, young physicists, members of the U.S. task force (Photo by Apic/Getty Images)