Edwin Benson
Edwin James Benson was an educator and the last native speaker of the Mandan language. He was born in Elbowoods, North Dakota, on the Fort Berthold Reservation in McLean County, North Dakota. When the Garrison Dam was built, Benson and his family were relocated to Twin Buttes, North Dakota. He taught Mandan at Twin Buttes Elementary School, and was awarded an honorary doctorate from the University of North Dakota in 2009. He was involved in efforts to teach the basics of Mandan to youth. When he died on December 9, 2016, the Mandan language became extinct.
