This work documents and critically analyses the photographs that helped strengthen, as well as weaken and ultimately bring down, the eugenics movement. Using a large body of racial-type images and a variety of historical and archival sources, and concentrating mainly on developments in Britain, the United States, and Nazi Germany, the author argues that photography, as the most powerful visual medium of the late 19th and early 20th centuries, was vital to the eugenics movement s success as it not only allowed eugenicists to identify the people with superior and inferior hereditary traits, but...