In another work, he claimed that humans progress through savagery and barbarism to get to civilization.
Friedrich Engels's The Origin of the Family is based on Karl Marx's notes to this man's magnum opus. He documented a rodent in his The American Beaver and His Works, and his attempts to collaborate with his peers around the world resulted in Systems of Consanguinity and Affinity. In another work, he claimed that humans progress through savagery and barbarism to get to civilization. For 10 points, name this author of Ancient Society, a pioneering American anthropologist who worked with the Iroquois.
Friedrich Engels's The Origin of the Family is based on Karl Marx's notes to this man's magnum opus.
Lewis Henry {Morgan}