Licence: Public Domain Mark
Credit: Charles Herbert Best and Sir Henry Hallett Dale. Photograph, 1953. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0026259/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Charles Herbert Best and Sir Henry Hallett Dale. Photograph, 1953. Wellcome Collection. Source: Wellcome Collection.