Povl Riis-Knudsen
Povl Heinrich Riis-Knudsen (born 1950) is a Danish National Socialist. He is maybe best known as the author of the writings National Socialism: A Left Wing Movement (1984) and National Socialism: The Biological World View (1987), the latter apparently influential in the Nordic Resistance Movement.
Leftist Wikipedia states various dubious allegations regarding Riis-Knudsen.