Licence: Public Domain Mark
Credit: Jules Boeckel. Photograph by Gerschel Ainé, Strasbourg. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0028117/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Jules Boeckel. Photograph by Gerschel Ainé, Strasbourg. Wellcome Collection. Source: Wellcome Collection.