 In 1999 ownership of the publishing house was transferred to his wife, since Walendy was barred from directing it due to his conviction and imprisonment for 15 months for publicly questioning the Holocaust.He maintains close contact with the Belgian revisionist organisation Vrij Historisch Onderzoek (VHO).Besides other works Walendy oversaw the publication of numerous materials in which the Holocaust was denied and the Third Reich was generally presented in a positive light.