character: Albert Einstein
topic: Theoretical Contributions to Nuclear Physics
grade: 6
subject: History
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character: Niels Bohr
topic: Development of Quantum Mechanics
grade: 6
subject: History
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character: J. Robert Oppenheimer
topic: Role in the Manhattan Project
grade: 6
subject: History
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character: Marie Curie
topic: Research on Radioactivity
grade: 6
subject: History
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