In this case, they weren’t necessary born in Dayton, but the city did play a role in their success.
- Wright Brothers, inventors of the airplane
- Charles F. Kettering, prolific inventor
- John Henry Patterson, founder of the National Cash Register Company
- Thomas Watson Jr., of IBM fame after being fired – twice – by Patterson
- James Cox, Democratic presidential nominee and newspaper publisher
- Paul Lawrence Dunbar, Black poet
- Scotty Reston, editor of the New York Times
- Frank Stanton, head of Columbia Broadcasting Company (CBS)
- Milton Caniff, master cartoonist
- Mike Peters, freewheeling cartoonist
I should also mention Larry Flint, pornographer, who established Hustler magazine, named after his bar.