Louis Cobbett injecting a hamster with anti-toxin in the Pathology Department of Cambridge University, assisted by Alfred Clark. Copy photograph, ca. 1960 after the original photograph, ca. 1905 (?).

Licence: Public Domain Mark

Credit: Louis Cobbett injecting a hamster with anti-toxin in the Pathology Department of Cambridge University, assisted by Alfred Clark. Copy photograph, ca. 1960 after the original photograph, ca. 1905 (?). Wellcome Collection. Source: Wellcome Collection.