Scholars, Scientists, Historians, Theorists, Philosophers, Opinionists, Etc.
- Gordon Allport (psychologist) (Cleveland)
- Edgar Bain (metallurgist) (LaRue)
- Brand Blanshard (philosopher) (Fredericksburg)
- William Merriam Burton (chemist) (Cleveland)
- Walker Lee Cisler (mechanical engineer) (Marietta)
- John R. Commons (economist, historian) (Hollansburg)
- Thomas Alva Edison (scientist, inventor)
- William A. Fowler (physicist, Nobel Prize Winner) (The Ohio State University, Lima)
- Marye Anne Fox (organic chemist) (Canton)
- James J. Gibson (psychologist) (McConnelsville)
- Irving I. Gottesman (psychologist, behavioral geneticist) (Cleveland)
- Charles Martin Hall (inventor, engineer) (Thompson)
- Samuel Dana Horton (monetary theorist)
- Charles Kettering (inventor, engineer) (Loudonville)
- Thomas Samuel Kuhn (philosopher of science)
- Arthur Laffer (supply-side economist) (Youngstown)
- Harry March (football historian, doctor) (New Franklin/Canton)
- Albert A. Michelson (physicist) (Case Institute of Technology)
- E. W. Morley (physicist) (Western Reserve University)
- Roy J. Plunkett (chemist) (New Carlisle)
- Willard Van Orman Quine (logician and philosopher) (Akron)
- Joseph Ransohoff (neurosurgeon, inventor) (Cincinnati)
- Charles Richter (physicist) (Hamilton)
- Arthur M. Schlesinger, Sr. (historian) (Xenia)
- Thomas Sherwood (chemical engineer) (Columbus)
- Thomas J. Silhavy (molecular biologist) (Wauseon)
- Richard Smalley (chemist, Nobel Prize Winner) (Akron)
- Oberlin Smith (engineer, magnetic recording pioneer) (Cincinnati)
- George Smoot (astrophysicist, Nobel Prize Winner) (Upper Arlington)
- Sander Vanocur (commentator) (Cleveland)
- Michael S. Witherell – particle physicist, president of Fermilab (Toledo)
- Elizabeth Witherell – editor-in-chief of The Writings of Henry D. Thoreau (Toledo)
- Garrett Morgan (inventor) (Cleveland)
Read more about this topic: List Of People From Ohio