Dr. Lucas Johann Boer, Vignetted Head, original print postdated 1936.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Dr. Lucas Johann Boer, Vignetted Head, original print postdated 1936. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Dr. Lucas Johann Boer, Vignetted Head, original print postdated 1936. Wellcome Collection. Source: Wellcome Collection.