character: Robert H. Grubbs
topic: Nobel Prize in Chemistry
grade: 8
subject: History
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character: Nobel Prize
topic: History of Chemistry
grade: 8
subject: History
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character: Organic Chemistry
topic: Contributions of Robert H. Grubbs
grade: 8
subject: History
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character: Catalysts
topic: Significance in Chemistry
grade: 8
subject: History
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