Joseph G.F von Paula von Ahorner
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Joseph G.F von Paula von Ahorner. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Joseph G.F von Paula von Ahorner. Wellcome Collection. Source: Wellcome Collection.