character: John A. Roebling
topic: Iron Design Techniques
grade: 8
subject: History
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character: John A. Roebling
topic: Bridges and Engineering Innovations
grade: 8
subject: History
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character: Isambard Kingdom Brunel
topic: Influences on Civil Engineering
grade: 8
subject: History
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character: Joseph Strauss
topic: Design Principles in Bridge Construction
grade: 8
subject: History
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