Richard Kradin, Richard L Kradin, Richard L. Kradin

Robert Leonard Carneiro (June 4, 1927 – June 24, 2020) was an American anthropologist and curator of the American Museum of Natural History who is widely held to be one of the prominent sociocultural evolutionists. He is mostly known for his Circumscription theory which explains how early political states may have formed as a result of interactions between environmental constraints, population pressures, and warfare. Carneiro was born of Cuban parents in New York City. He took his first course i…