History of Chicago upper income Americans continued to move from the city for better housing and schools in the suburbs. Office building resumed in the 1960s. When completed in 1974, the Sears Tower, now known as the Willis Tower, at 1451 feet was the world's tallest building. It was designed by the famous Chicago firm of Skidmore, Owings & Merrill, which designed many of the city's famous buildings. Mayor Richard J. Daley served 1955–1976, dominating the city's machine politics by his control of the Cook County Democratic Central Committee, which selected party nominees, who were usually elected in the Democratic stronghold. Daley took
Chase Tower (Chicago) live audience at the Chase Auditorium under the plaza. Design architects for the construction were C.F. Murphy Associates, Stanislaw Z. Gladych and Perkins and Will. Chase Tower is known for both its distinctive curving shape and its vibrant public space: a deep sunken plaza at the geographic center of the Chicago Loop, complete with a jet fountain and Marc Chagall's ceramic wall mural "Four Seasons". The ground floor is home to the largest Chase Bank branch in Chicago with 22 ATMs. Chase Tower (Chicago) Chase Tower, located in the Chicago Loop area of Chicago, in the U.S. state of Illinois