The Eiffel Tower was designed by Maurice Koechlin and Émile Nouguier (senior engineers at Compagnie des Établissements Eiffel), architecturally refined by Stephen Sauvestre, and built by Gustave Eiffel's company for the 1889 Exposition Universelle in Paris.
| Role | Person | Contribution |
|---|---|---|
| Concept & Calculations | Maurice Koechlin & Émile Nouguier | Structural concept, wind-load math, 18,038 iron pieces |
| Architectural Design | Stephen Sauvestre | Arches, glass pavilions, decorative arches, aesthetic legitimacy |
| Project Lead & Finance | Gustave Eiffel | Company owner, contractor, promoter, funded 80% himself |
| Construction Management | Jean Compagnon | Site superintendent, 300 workers, 26 months, zero fatalities |
Eiffel didn't "design" it alone—he bought the patent from his employees (Koechlin/Nouguier) and championed it. Sauvestre made it palatable to Parisians who called it "useless and monstrous."