character: Dr. Emily Watson
topic: The Chemical Reactions in Iron Smelting
grade: 9
subject: Chemistry
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character: Henry Bessemer
topic: The Bessemer Process for Steel Production
grade: 9
subject: Chemistry
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character: Marie Curie
topic: Chemical Principles in Metallurgy
grade: 9
subject: Chemistry
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character: Robert H. Grubbs
topic: Catalysts in Chemical Reactions
grade: 9
subject: Chemistry
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