Marguerite Catherine Perey was born in Villemomble, a town east of Paris, France.
Marguerite Catherine Perey was born on 19 October 1909 in Villemomble, a small town in the eastern suburbs of Paris, France. She was born into a family that, though not wealthy, valued education, and she was the youngest of five children.
Her father died when she was young, leaving her mother to raise the family with limited financial means during a period of significant social and economic upheaval in France, including the aftermath of the First World War. Despite these hardships, Perey pursued education in chemistry, initially intending to study medicine before financial constraints redirected her toward a chemistry degree, which she completed at the Technical School of Women's Education in Paris.
This modest beginning belied the extraordinary scientific career that would follow. Perey would go on to become one of the twentieth century's most important nuclear chemists, discovering a new chemical element and breaking longstanding gender barriers in French science. Her birth in a relatively ordinary provincial French family stands in stark contrast to the historic scientific institution she would later help transform, the French Académie des Sciences, which for over 300 years had never admitted a woman.
Her early life set the stage for a career defined by persistence, precision, and quiet determination in a scientific world dominated by men, most notably under the mentorship of Marie Curie at the Radium Institute.