Portrait caricature of Wilhelm Roehl by A. Frenz, 1925
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Portrait caricature of Wilhelm Roehl by A. Frenz, 1925. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Portrait caricature of Wilhelm Roehl by A. Frenz, 1925. Wellcome Collection. Source: Wellcome Collection.