Portrait of S. Botkin with J. Setschenov, W. Gruber. Copy neg of a photograph from the Academy Pavlovsky presented 1956.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Portrait of S. Botkin with J. Setschenov, W. Gruber. Copy neg of a photograph from the Academy Pavlovsky presented 1956. Wellcome Collection. Source: Wellcome Collection.