![Andreas Rüdiger [Ridiger]. Line engraving by G. Uhlich.](https://images.rawpixel.com/image_200/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDI0LTAyL3djY3A2M3I0emItaW1hZ2UuanBn.jpg)
https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13976804![Andreas Rüdiger [Ridiger]. Line engraving by G. Uhlich.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDI0LTAyL3djY3A2M3I0emItaW1hZ2UuanBn.jpg)
Andreas Rüdiger [Ridiger]. Line engraving by G. Uhlich.
Andreas Rüdiger [Ridiger]. Line engraving by G. Uhlich.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use