GEORGE BERNARD / SCIENCE PHOTO LIBRARY GEORGE BERNARD / SCIENCE PHOTO LIBRARY
Pierre and Marie Curie. Caricature of Pierre (1867-1906) and Marie Curie (1867-1934) in their laboratory. Pierre holds a glowing tube of radium. Marie began studying radioactivity in uranium shortly after its discovery by Bequerel in 1896. She studied the content of uranium ores by measuring their radioactive emissions and showed that thorium was radioactive. Pierre originally studied magnetic effects but from 1898 worked with his wife on radioactive materials. Together they detected two new radioactive elements, polonium and radium, both highly radioactive. The Curies were awarded Nobel Prizes in 1903 for physics and 1911 for chemistry. Image drawn in 1904.
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