Sir Joseph Barcroft, from a photograph lent by Professor H. Barcroft.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Sir Joseph Barcroft, from a photograph lent by Professor H. Barcroft. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Sir Joseph Barcroft, from a photograph lent by Professor H. Barcroft. Wellcome Collection. Source: Wellcome Collection.