Licence: Public Domain Mark
Credit: Claude Ambroise Seurat, a very thin man. Coloured etching. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0007227ER/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Claude Ambroise Seurat, a very thin man. Coloured etching. Wellcome Collection. Source: Wellcome Collection.