character: Leonardo da Vinci
topic: Influence on Modern Engineering
grade: 9
subject: History
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character: Isaac Newton
topic: Impact of Renaissance Thinkers on Science and Engineering
grade: 9
subject: History
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character: Thomas Edison
topic: Innovations Inspired by Historical Figures
grade: 9
subject: History
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character: Nikola Tesla
topic: Role of Visionaries in Shaping Modern Technology
grade: 9
subject: History
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