The Authors widget lets you showcase your blog’s writers in your sidebar.
The Authors widget can display the names or avatars of all your blog’s writers, links to a list of all their former posts, as well as links to posts they’ve recently written.
This is how Authors widget looks when it’s activated on a blog sidebar. It looks great, especially when you have a lot of authors:
Note: the style results depend on the theme you are using.
Activating and setting up the Authors widget
You can add the widget to your sidebar from your Appearance → Customize → Widgets.
Search for the Authors widget and add it as showing here:
Then, set up the widget with the information you prefer:
Title: you can add a title for the widget.
Display all authors: In case you have more than one author on the site, you can select this option to display all of them.
Number of posts to show for each author: Under each author, you can show a list of the posts they wrote [0 to 10 posts].
Avatar size: Here you have multiple size options to add your avatar, even not show an avatar at the widget.
Visibility: you can know how to set up your Widget Visibility here.