If you want to add the author box on your sidebar widget, this amazing plugin also comes with Widget support which gives you the ability to display certain authors or the current post author on your sidebar. You can also controls the tabs you want to show on the widget options. The widget authorbox is also smart responsive and will display beautifully on any sidebar sizes. Check the sidebar of this page for the sample.
Top Author Widget
A feature available which allows you to display the top authors with the following filters.