character: Howard Florey
topic: Development of Penicillin for Medical Use
grade: 10
subject: Science
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character: Alexander Fleming
topic: Discovery of Penicillin
grade: 10
subject: Science
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character: Ernst Boris Chain
topic: Collaboration with Florey on Penicillin
grade: 10
subject: Science
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character: The Florey Institute
topic: Research Contributions to Antibiotics
grade: 10
subject: Science
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