 In 1991, Simpsons disappeared, when the last Simpsons store was converted to the Bay banner.In 1979, Canadian billionaire Kenneth Thomson won control of the company in a battle with George Weston Limited, and acquired a 75 per cent stake for $400 million.Thomson sold the company's oil and gas business, financial services, distillery, and other interests for approximately $550 million, transforming the company into a leaner, more focused operation.