Paul Ehrlich (1854-1915) at work in his laboratory
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Paul Ehrlich (1854-1915) at work in his laboratory. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Paul Ehrlich (1854-1915) at work in his laboratory. Wellcome Collection. Source: Wellcome Collection.