In October 1892, Francis Galton published a new edition of Hereditary Genius with an added Preface. Image: Sir Francis Galton, probably taken in the 1850s or early 1860s (labeled as "middle life" in source). This image is in the public domain in the United States as its copyright has expired.

Articles

Rebecca N. Mitchell, “Francis Galton’s Hereditary Genius, 1869 & 1892″