Ingvar Kamprad but he remained a friend of Engdahl until the early 1950s. Kamprad devoted two chapters to his time in "Nysvenska Rörelsen" in his book "Leading by Design: The IKEA Story" and, in a 1994 letter to IKEA employees, called his affiliation with the organization the "greatest mistake of his life." Kamprad explained his teenage engagement in New Swedish Movement as being politically influenced by his father and grandmother in Sudet-Germany. In 2011, journalist Elisabeth Åsbrink revealed that, by 1943, the Swedish Security Service had created a file on Kamprad entitled "Nazi", and that Kamprad had told her, during a 2010
Ingvar Kamprad interview, that "Per Engdahl is a great man, and I will maintain that as long as I live." Writing in "The Daily Telegraph", in August 2011; Richard Orange noted that the 1943 file proved for the first time that Kamprad "was an active member of Svensk Socialistisk Samling– successor to the Swedish Nationalist Socialist Workers Party –citing his membership number: 4013. It quotes letters intercepted from Mr Kamprad, then 17, in which he enthuses about recruiting new members and says that he "misses no opportunity to work for the movement." Orange added, "The secret service concluded that, as Mr Kamprad