character: Alice Hamilton
topic: Toxicology and Environmental Health
grade: 11
subject: Chemistry
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character: Rachel Carson
topic: Environmental Toxicology
grade: 11
subject: Chemistry
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character: John Snow
topic: Epidemiology and Contaminants
grade: 11
subject: Chemistry
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character: Paul Ehrlich
topic: Chemistry of Poisoning
grade: 11
subject: Chemistry
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