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
Hawley Products Company the company invested heavily in research and innovation. During the 1930s, Jesse and his brother Don Hawley personally designed and patented products for the company. Dr. John C. Williams headed the Hawley Products research division in the 1940s and 1950s. Jesse Hawley managed the company until his death in 1946, at which time his brother and fellow executive, Don M. Hawley, became president of Hawley Products. Don Hawley was also an inventor of several of the products and methods of production at the company. By 1946, Hawley Products had expanded its product lines into plastics, sound diaphragms, molded fiber, and