In this article the author regrets Figure 4 was incorrect.
The corrected Figure 4 is reproduced on the next page.
Figure 4. Several of the most prolific scholars of the century are not widely known today. Praesides with 100 or more dissertations (excluding reprints and duplicates). Data source: Verzeichnis der im deutschen Sprachraum erschienenen Drucke des 17. Jahrhunderts (2020).