David Mark Chalmers (1927 - 25 October 2020) was an American historian.
[1] During the Second World War, Chalmers worked for the American army.
After the war, he gained his Ph.D. in American history at the University of Rochester.
[1] In 1955, he started working as an assistant professor at the University of Florida.
[2] In 1965, he published Hooded Americanism: A History of the Ku Klux Klan.