Historians, Miscellaneous: Biographies
- Immanuel Velikovsky
- Ira Remsen
- Irving G. Thalberg
- Isaac Israeli
- Ishmael Reed
- Ivan Alekseevich Bunin
- J. California Cooper
- J. Presper Eckert
- J.D. Salinger
- J.H. Van Vleck
- J.N. Bronsted
- J.P. Donleavy
- Jacob Fugger
- Jacques Cousteau
- Jakob Friedrich Fries
- James Alexander
- James Augustus VanDerZee
- James Clark Ross
- James Frazer
- James H. Cone