Grant develops on the existing anthropological theory such as the ‘Nordic Migration Theory’ It is clear that Grant is influenced by multiple racial authors, especially Houston Chamberlain, Arthur de Gobineau, George Vacher de Lapouge, Francis Galton and William Ripley. Jonathan Peter Spiro, Defending the Master Race: Conservation, Eugenics, and the Legacy of Madison Grant (Burlington, Vt: University Press of Vermont, 2009), 157. Spiro claims this amalgam of “wildlife management, anthropology, paleoanthropology, the study of race suicide, Aryanism, eugenics, and genetics” formed Grant’s Nordic theory and would prove to be Grant’s contribution to racial studies. This theory held in place by his racial interpretation of history. Byron
