Madison Grant, a leading eugenicist from New York whose social circle included Presidents Theodore Roosevelt and Herbert Hoover, converted his zeal for Aryan supremacy into helping enact a series of American immigration and marriage restrictions in the 1920s, as the Nazi Party was forming across the Atlantic. Grant went far beyond southern segregationists in his contempt for marginalized people. He argued that “inferior stocks” should be sterilized and quarantined in “a rigid system of elimination of those who are weak or unfit” or “perhaps worthless race types.” Grant published a rabid
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