Samuel T. Wellman

Chief of Engineers

American sportsmen, engineer and railway magnate

American naval officer, engineer and journalist

American railroad machinist and city councilman

American engineer/engineering journalist/early American writer on management

American civil engineer

American photographer, cartographer and engineer

American engineer and corporate director

Scientist and inventor known for his work on the telephone

German-born American inventor of the phonograph

Cincinnati engineer

United States mining engineer and inventor

Austrian writer

Swiss businessman

Physicist

Puerto Rican soldier, journalist and businessman

19th century American inventor and businessman

American railroad engineer