I’m interested in the famous artists curriculum. How in depth is this?

Nana has art lessons on many famous artists and most have podcasts.
Nana does discuss the history and biographies of the artists. In
addition, members also receive access to the accompanying I Drew It Then
I Knew It Guide. Here is a little more on Nana's famous artists series: https://chalkpastel.com/exploring-famous-artists-with-chalk-pastels/ and her podcasts for same: https://chalkpastel.com/category/podcast/
Note: The famous artists series is available to Complete members.