character: Stephen Hawking
topic: Theoretical Physics and Extraterrestrial Intelligence
grade: 12
subject: History
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character: Carl Sagan
topic: Search for Extraterrestrial Intelligence
grade: 12
subject: History
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character: Albert Einstein
topic: Theories of Relativity and Their Impact on Modern Physics
grade: 12
subject: History
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character: Richard Feynman
topic: Quantum Mechanics and Its Philosophical Implications
grade: 12
subject: History
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