👩‍🔬 Marie Curie

Marie Curie was a pioneering scientist who conducted groundbreaking research on radioactivity. She was the first woman to win a Nobel Prize and remains the only person to win Nobel Prizes in two different sciences (Physics and Chemistry).

Why she is powerful: Her discoveries changed science and medicine forever, opening the door to cancer treatments and nuclear physics.

Marie Curie

Marie Curie (born Maria Salomea Skłodowska, November 7, 1867 – July 4, 1934) was a Polish-born French physicist and chemist whose pioneering work on radioactivity transformed modern science. She was the first woman to win a Nobel Prize and remains the only person to have received Nobel Prizes in two different scientific fields.

Key facts

• Born: November 7, 1867, Warsaw, then Russian Empire

• Died: July 4, 1934, near Sallanches, France

• Fields: Physics, Chemistry

• Major discoveries: Polonium and Radium (1898)

• Nobel Prizes: Physics (1903, with Pierre Curie and Henri Becquerel); Chemistry (1911, solo)

Early life and education

Discovery of radioactivity

Building on Becquerel’s 1896 discovery of uranium’s mysterious emissions, Curie coined the term “radioactivity.” Working with her husband Pierre, she identified two new elements—polonium, named for her homeland, and radium—and developed methods to isolate radium in pure form. Their exhaustive work established that radioactivity was an atomic property, opening the field of nuclear physics.

Academic leadership and medical innovation

After Pierre’s death in 1906, Curie became the first female professor at the Sorbonne. She later founded the Radium Institute (Institut du Radium) in Paris, a world center for research into radioactivity and cancer therapy. During World War I, she equipped mobile X-ray units—nicknamed “Little Curies”—to treat battlefield casualties, training medical staff herself.

Legacy

Curie’s later years were devoted to advancing the scientific and medical uses of radiation. She died of aplastic anemia, likely from long-term exposure to radioactive materials. Her remains were interred in the Panthéon in Paris in 1995, the first woman honored there for her own achievements. Her notebooks remain so radioactive they are still stored in lead-lined boxes.