Family statistics regarding 'hazel-eyed families', Francis Galton, 1889
Licence: Public Domain Mark
Credit: Family statistics regarding 'hazel-eyed families', Francis Galton, 1889. Wellcome Collection. Source: Wellcome Collection.
Licence: Public Domain Mark
Credit: Family statistics regarding 'hazel-eyed families', Francis Galton, 1889. Wellcome Collection. Source: Wellcome Collection.