character: Marie Curie
topic: Pioneering scientist in the early 20th century
grade: 2
subject: History
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character: Albert Einstein
topic: Famous scientist known for the theory of relativity
grade: 2
subject: History
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character: Lise Meitner
topic: Co-discovered nuclear fission, a key concept in physics
grade: 2
subject: History
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character: Ada Lovelace
topic: Early computer programmer and mathematician
grade: 2
subject: History
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