Who are Some Renowned Civil Engineers Behind Iconic Structures?

[Motivated]

Homework Statement

We are required to write an essay about a well-recognized engineer, who has designed numorous well-known structures(bridges, monuments etc.) internationally (preferably).

Homework Equations

I just need a couple of NAMES of those engineers and they have to have contributed somehow in civil engineering.

The Attempt at a Solution

I've went to research Mr.Gustav Eiffel, the designer of the Eiffel Tower and the Statue Of Liberty

 

[TVP45]

Frank Crowe

 

[Seri]

I may be a bit late on this...
but de Lesseps attempted the Panama Canal before the USA took over. He was successful with the Suez Canal though, if I remember right.