Eugenics and scientific racism reached its peak in the United States in the mid-1920s. In 1924, Congress passed the Immigration Restriction Act and Virginia passed a sterilization law and a law preventing the marriage of people of two races. In the same year, as follow-ups to Madison Grant’s (1916) Passing of the Great Race, many Grantian eugenicists published similar volumes, including Henry Pratt Fairchild, Ellsworth Huntington, Vernon Kellogg, Edward Ross, and Lothrop Stoddard.
