character: Alice Hamilton
topic: History of Occupational Health and Chemical Safety
grade: 12
subject: Chemistry
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character: Rachel Carson
topic: Environmental Movement and Chemical Safety
grade: 12
subject: Chemistry
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character: Upton Sinclair
topic: Labor Rights and Health Reform
grade: 12
subject: Chemistry
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character: Thomas Midgley Jr.
topic: Tetrachloride and Environmental Impact
grade: 12
subject: Chemistry
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