https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13993932![M. Leune. Photograph, 1823.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djbW1ianFncnQtaW1hZ2UuanBn.jpg)
![M. Leune. Photograph, 1823.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djbW1ianFncnQtaW1hZ2UuanBn.jpg)
M. Leune. Photograph, 1823.
M. Leune. Photograph, 1823.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use