 Complete the following phrase:  The United Founders Life Tower was built by the real estate development arm of the United Founders Life Insurance Corporation. In addition to being the primary tets of the skyscraper, the company expected to profit from the development of the mostly rural land surrounding the tower. When it was completed in 1964, the Founders Tower was the first skyscraper to be built in Oklahoma City outside of downtown. Its relatively isolated location in northwestern Oklahoma City and its unusual design spurred the development of the area. At the time the Space Needle inaugurated the first revolving restaurant in the United States at the 