Elected to Louisiana State Legislature in 1989 despite much protest.
Has lectured at Oxford, Cambridge, Harvard, Vanderbilt and many other universities.
Has run unsuccessfully for the United States Senate, governor of Louisiana and the U.S. Presidency.
Became National Director of the Knights of the Klu Klux Klan in 1974. Left the Klan in 1978.
Received BA in history from Louisiana State University in 1974.
Is often credited with giving the white seperatist movement in general, and the KKK in specific, a more "intellectual" image, instead of being the bastion of ignorant, "low-brow" militants.
Attended kindergarten at a Dutch-speaking school in the Netherlands, where his father was a petroleum engineer for Shell Oil Company.
Received a B.A. in history from Louisiana State University in 1974.
Became National Director of the Knights of the Ku Klux Klan in 1974.
Resigned from the Klan and formed the National Association for the Advancement of White People in 1978.
Elected to a seat in the Louisiana House of Representatives in 1989. Served on the Judiciary and the Health and Welfare Committees.
Was the elected chairman of St. Tammany Parish's Republican Executive Committee during the late 1990s.
Has run unsuccessfully for state senator, governor, U.S. representative, U.S. senator, both the Democratic and Republican presidential nominations, and for president as the nominee of the Populist Party.
His autobiography "My Awakening: A Path to Racial Understanding" is dedicated to William Shockley, the Nobel-prize winning physicist and co-inventor of the transistor. It also includes a foreword by Glayde Whitney, a former president of the Behavior Genetics Association.
His 1991 campaign for governor of Louisiana was endorsed by James Meredith, the first black student at the University of Mississippi. Meredith made the endorsement in a half-hour infomercial produced by the Duke campaign and aired on several television stations in Louisiana.
Received an honorary doctorate in political science from the University of Kiev, Ukraine, in August 2002.