Staff of Wellcome Physiological Research Laboratories (Ewins, Buxton, Burn, Glenny, Walpole, Sudmerson, O'Brien, Dale, Barger, MacAlister). Photograph.

Licence: Public Domain Mark

Credit: Staff of Wellcome Physiological Research Laboratories (Ewins, Buxton, Burn, Glenny, Walpole, Sudmerson, O'Brien, Dale, Barger, MacAlister). Photograph. Wellcome Collection. Source: Wellcome Collection.