Instructions: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Why do their cheap meatballs taste so good? Why are bookshelves named Billy? Why can't store layouts be normal? These questions, and more, will no doubt be posed by the visitors who head to the new IKEA Museum opening next year. Of course, we might need to hammer together our own answers, having wound our way through thousands of irrelevant facts first. But perhaps a DIY museum experience will be even more satisfying once completed. The furniture company that changed the affordability of design has filed to build a museum on the site of its first store in Sweden. Tentatively scheduled to open in fall 2015, the museum will take up 7,000 square meters on the site of the recently relocated IKEA store in Almhult, also the site of IKEA'S first store opened by founder Ingvar Kamprad in 1958.IKEA Museum will be on site of first store in Älmhult, SwedenThe 7,000-square-meter museum will also have a museum shop and food for visitorsMuseum expected to draw 200,000 visitors per year 
 Question:While the then-17-year-old _ had already registered IKEA as a business in 1943, selling products ranging from nylon stockings to cigarette lighters, the Almhult site was the first brick-and-mortar store as well as the company's first furniture showroom.
Output:
Ingvar Kamprad