character: Prometheus
topic: The Gift of Fire: Early Metallurgy
grade: 8
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character: Thales of Miletus
topic: The Birth of Science and Early Materials
grade: 8
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character: Leonardo da Vinci
topic: Renaissance Innovations in Metalworking
grade: 8
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character: Henry Bessemer
topic: The Bessemer Process and Steel Revolution
grade: 8
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