Our databases have articles which you can use for biographical, contextual, and historical information on your topic. Credo Reference database is recommended by your professor. However, the library provides access to a number of databases that you can also use for your researcher.
You can always start your research with LibSearch. In order to concentrate on finding material on your philosopher, you can also search any (or all) of the databases listed below. But first, please watch this video, that explains how to search databases.
Remember to create a list of "search terms" and use the "limits" provided by databases.