On Sunday, Ingvar Kamprad, the IKEA founder who turned a small-scale mail order business into a global furniture empire, has died at the age of 91. On Twitter, IKEA said that Kamprad died Saturday at his home in Smaland, southern Sweden. Later it said he died peacefully following a short illness. In a statement, the company said, "He will be much missed and warmly remembered by his family and IKEA staff all around the world.