Napoleon Chagnon

Napoleon Alphonseau Chagnon ( ; August 27, 1938 – September 21, 2019) was an American anthropologist, professor of anthropology at the University of Missouri in Columbia. He was a member of the National Academy of Sciences. Chagnon was known for his long-term ethnographic field work among the Yanomamö.
Chagnon died at the age of 81 on September 21, 2019 in Traverse City, Michigan.