character: Charles Goodyear
topic: Rubber Patents and Industrial Growth in the 19th Century
grade: 9
subject: Physics
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character: Elijah McCoy
topic: Innovations in Industrial Machinery
grade: 9
subject: Physics
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character: Thomas Edison
topic: Electrical Innovations and Their Impact on Industry
grade: 9
subject: Physics
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character: Henry Ford
topic: Mass Production Techniques and Industrial Growth
grade: 9
subject: Physics
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