Licence: Public Domain Mark
Credit: Sir George Biddell Airy. Photograph by Morgan & Kidd, 1891. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0025960/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Sir George Biddell Airy. Photograph by Morgan & Kidd, 1891. Wellcome Collection. Source: Wellcome Collection.