character: George Stephenson
topic: Contributions to Steam Locomotive Design
grade: 8
subject: History
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character: Richard Trevithick
topic: Early Steam Engine Innovations
grade: 8
subject: History
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character: Robert Stephenson
topic: Development of Railways
grade: 8
subject: History
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character: Thomas Savery
topic: Steam Power and Its Applications
grade: 8
subject: History
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