character: Selman Waksman
topic: Discovery of Streptomycin and Antibiotics
grade: 10
subject: Science
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character: Alexander Fleming
topic: Discovery of Penicillin
grade: 10
subject: Science
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character: Howard Florey
topic: Development of Penicillin for Medical Use
grade: 10
subject: Science
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character: Ernst Boris Chain
topic: Role in Antibiotic Development
grade: 10
subject: Science
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