Louis Cobbett, Henry Roy Dean, Howard Walter Florey and Harry Norman Green. Copy photograph, ca. 1960, after the original photograph, ca. 1935.

Licence: Public Domain Mark

Credit: Louis Cobbett, Henry Roy Dean, Howard Walter Florey and Harry Norman Green. Copy photograph, ca. 1960, after the original photograph, ca. 1935. Wellcome Collection. Source: Wellcome Collection.