Portrait of J. Y. Simpson; anon., n.d.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Portrait of J. Y. Simpson; anon., n.d. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Portrait of J. Y. Simpson; anon., n.d. Wellcome Collection. Source: Wellcome Collection.