character: Marie Curie
topic: Pioneering research in radioactivity
grade: 11
subject: Science
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character: Ernest Rutherford
topic: Discovery of alpha and beta radiation
grade: 11
subject: Science
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character: Henri Becquerel
topic: Discovery of radioactivity
grade: 11
subject: Science
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character: Lise Meitner
topic: Contributions to nuclear physics and radioactivity
grade: 11
subject: Science
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