Licence: Public Domain Mark
Credit: Johann Friedrich Blumenbach. Mezzotint by J.E. Haid. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0000601/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Johann Friedrich Blumenbach. Mezzotint by J.E. Haid. Wellcome Collection. Source: Wellcome Collection.