Culture of Chicago Shore Drive, Crown Hall, 330 North Wabash, and the Kluczynski Federal Building. The tallest buildings in Chicago are Willis Tower, Trump Tower, the Aon Center, 875 North Michigan Avenue, and the Franklin Center. Willis Tower was originally named Sears Tower, and was the tallest building in the world from 1973 to 1998. It is now the second-tallest building in the United States, after One World Trade Center, though the height to the roof of Willis Tower is greater than that of One World Trade Center. Other architecturally significant modern and postmodern skyscrapers in Chicago include the Inland Steel Building, Marina
Willis Tower the law firms of Schiff Hardin and Seyfarth Shaw. Morgan Stanley plans to move to the building in 2019, and to become the building's fourth-largest tenant by 2020. In 1969, Sears, Roebuck & Co. was the largest retailer in the world, with about 350,000 employees. Sears executives decided to consolidate the thousands of employees in offices distributed throughout the Chicago area into one building on the western edge of Chicago's Loop. Sears asked its outside counsel, Arnstein, Gluck, Weitzenfeld & Minow (now known as Arnstein & Lehr, LLP) to suggest a location. The firm consulted with local and federal authorities