Sir Henry Hallett Dale (1878-1968), physiologist and chairman of the Wellcome Trust. Oil painting by "H. Wilson" (i.e. Helen Mary Graham Wilson, Mrs Rosenfield) after Sir James Gunn.

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Credit

Sir Henry Hallett Dale (1878-1968), physiologist and chairman of the Wellcome Trust. Oil painting by "H. Wilson" (i.e. Helen Mary Graham Wilson, Mrs Rosenfield) after Sir James Gunn. In copyright. Source: Wellcome Collection.