"In Search of Purity: Eugenics and Racial Uplift among New Negroes, 1915-1935" is a dissertation that examines the reinterpretation of eugenic theories by Black scholars, who helped integrate the science into a social movement for racial uplift. Areas of analyses include: The Talented Tenth, links between ideas about social degeneracy and physical hygiene, eugenics courses and professors at Howard University, hereditarian, and colorism. Guiding principles of African American-led eugenic theory are examined alongside the fading imagery of the Old Negro that consisted of stereotypes scattered...