You will find good factual information about newspaper editors in Biographical Databases.
Here are the slides from the library session on finding sources from March 18, 2024.
In addition to the online databases above, our library catalog is an excellent place to find print sources.
Here's one sample search to get you started.
You will find good factual information about newspapers in Newspaper Directories.
Library of Congress U.S. Newspaper Directory, 1690-present
This directory of newspapers published in the United States since 1690 can help identify what titles exist for a specific place and time, and how to access them. Use the options to select a particular place and time, using keywords to locate specific titles.
Editor and Publisher Newspaper Data Book - Library Service Center (PN4700 .E43)
This is a great resource for finding quick facts about weekly and daily newspapers including circulation, date established, editors, etc. - request through Library Search and receive access within 24 hours