Initially he was employed by railroad and highway bridge designer Theodore Cooper.
Theodore Roosevelt | Alice Cooper | Gary Cooper | Theodore Dreiser | James Fenimore Cooper | Anderson Cooper | Theodore Sturgeon | Cooper Union | Cooper Creek | Chris Cooper (actor) | Chris Cooper | Anderson Cooper 360° | Theodore von Kármán | Merian C. Cooper | Cooper-Hewitt, National Design Museum | Tommy Cooper | Theodore Roosevelt, Jr. | Sheldon Cooper | Jim Cooper | Henry Cooper | Theodore Parker | Theodore Bikel | Theodore | Gordon Cooper | Dennis Cooper | Cooper | Astley Cooper | Theodore Roosevelt National Wildlife Refuge Complex | Théodore Botrel | Jeff Cooper |
Other notable people who worked for Midvale Steel or in close cooperation with it include Henry Gantt, James Buchanan Eads, Theodore Cooper, and Francis B. Foley.