Sir Francis Galton and some of his Noteworthy Ancestors, Frontispiece Vol 1, Treasury of Human Inheritance, edited by Karl Pearson, London, Dulau and Co, 1912

Licence: In copyright

Credit: Sir Francis Galton and some of his Noteworthy Ancestors, Frontispiece Vol 1, Treasury of Human Inheritance, edited by Karl Pearson, London, Dulau and Co, 1912. Wellcome Collection. Source: Wellcome Collection.