Portrait: Carl Siegmund Franz Crede
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Portrait: Carl Siegmund Franz Crede. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Portrait: Carl Siegmund Franz Crede. Wellcome Collection. Source: Wellcome Collection.