character: Glenn T. Seaborg
topic: Contributions to the Actinide Series and Modern Periodic Table
grade: 12
subject: Chemistry
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character: Dmitri Mendeleev
topic: Development of the Periodic Table
grade: 12
subject: Chemistry
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character: Marie Curie
topic: Discovery of Radium and Polonium
grade: 12
subject: Chemistry
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character: Enrico Fermi
topic: Development of Nuclear Chemistry
grade: 12
subject: Chemistry
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