character: Isambard Kingdom Brunel
topic: Innovations in Iron Structures
subject: History
LearnActions
SearchCreate
character: John A. Roebling
topic: The Brooklyn Bridge and Its Significance
subject: History
LearnActions
SearchCreate
character: Gustave Eiffel
topic: The Eiffel Tower's Architectural Impact
subject: History
LearnActions
SearchCreate
character: Henry Bessemer
topic: The Bessemer Process and Steel Production
subject: History
LearnActions
SearchCreate