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| Skyscrapers in Chicago | |
|---|---|
| Name | Chicago skyscrapers |
| Caption | Skyline of Chicago with Lake Michigan |
| Location | Chicago, Illinois |
| Notable | Willis Tower, John Hancock Center, Aon Center, Trump International Hotel and Tower (Chicago), 875 North Michigan Avenue |
| Tallest | Willis Tower |
| Begun | 1870s |
Skyscrapers in Chicago Chicago's skyscrapers form one of the most influential collections of high-rise architecture in the United States, driven by post-1871 Great Chicago Fire reconstruction, the rise of Louis Sullivan, and commissions from patrons like Marshall Field and firms such as D. H. Burnham & Company. The city's skyline reflects contributions from seminal figures including Daniel Burnham, William Le Baron Jenney, Mies van der Rohe, Adolf Loos, and firms like Skidmore, Owings & Merrill, producing landmarks that shaped modernism and influenced skylines in New York City, Los Angeles, and Toronto.
Chicago's high-rise history begins after the Great Chicago Fire when entrepreneurs such as George Pullman and financiers like Philip Armour funded rebuilding that included early tall buildings by William Le Baron Jenney and firms such as Holabird & Roche, while urban plans from Daniel Burnham and Edward H. Bennett oriented growth toward Lake Michigan and Chicago River. The 1880s and 1890s featured structures linked to the Chicago School (architecture) and practitioners like Louis Sullivan and Dankmar Adler, whose work at sites near LaSalle Street and Chicago Loop influenced commissions by Marshall Field and Chicago Board of Trade. Twentieth‑century surges involved projects by John Wellborn Root, Daniel H. Burnham, and later Ludwig Mies van der Rohe; postwar redevelopment included contributions from Skidmore, Owings & Merrill and developers such as Arthur Rubloff and Joseph P. Kennedy, leading to the 1970s supertall competition exemplified by Willis Tower and 875 North Michigan Avenue.
Chicago buildings display Chicago School (architecture), Beaux-Arts architecture, Art Deco, International Style, and later Postmodern architecture with works by Louis Sullivan, Daniel Burnham, Frank Lloyd Wright (influential nearby), Adolf Loos, and Ludwig Mies van der Rohe. Innovations include steel-frame construction credited to William Le Baron Jenney, curtain wall façades developed by Skidmore, Owings & Merrill and Eero Saarinen collaborators, and ornamental programs by Louis Sullivan and sculptors like Lorado Taft. Technological advances from firms such as Otis Elevator Company, Westinghouse Electric Corporation, and General Electric enabled high-speed elevators and electrical systems used in John Hancock Center and Aon Center, while structural systems like tubular frames from Fazlur Rahman Khan at Skidmore, Owings & Merrill influenced supertall design across Asia and Europe.
The list of landmarks includes early works such as Home Insurance Building (site legacy), civic icons like Chicago Board of Trade Building, commercial towers such as Marquette Building, and supertalls including Willis Tower (formerly Sears Tower), John Hancock Center (now 875 North Michigan Avenue), Aon Center, and Trump International Hotel and Tower (Chicago). Cultural and mixed‑use projects by architects like Mies van der Rohe (860–880 Lake Shore Drive), Skidmore, Owings & Merrill (Aon Center), Helmut Jahn (Thompson Center influence)), and designers such as George Maher and John Wellborn Root Jr. produced buildings near Millennium Park, Grant Park, and along Michigan Avenue. Recent additions by architects Adrian Smith (Stature elsewhere), Pritzker Prize laureates, and firms like Gensler and Pickard Chilton expanded the inventory with towers hosting institutions such as University of Chicago affiliates and corporations including Boeing (regional offices), Kraft Foods, and Morningstar, Inc..
Chicago practice evolved from masonry loadbearing to steel skeletons pioneered by William Le Baron Jenney and erected by contractors like P.S. Wainwright and later builders associated with Burnham & Root; innovations included reinforced concrete work influenced by Auguste Perret and later high‑strength concrete from firms such as Portland Cement Association. Structural engineers including Fazlur Rahman Khan and firms like Skidmore, Owings & Merrill developed tubular and trussed systems used in Willis Tower and John Hancock Center, while elevator technology from Otis Elevator Company and Schindler Group reduced core sizes. Wind engineering research at institutions like University of Illinois Urbana‑Champaign and Illinois Institute of Technology informed wind load mitigation, and contractors coordinated with agencies such as the Chicago Department of Buildings and unions like International Brotherhood of Electrical Workers and Laborers' International Union of North America.
Skyscrapers reshaped downtown corridors including LaSalle Street, Michigan Avenue, and Wacker Drive and influenced transit projects like Chicago Transit Authority expansions, Union Station commuter flows, and riverfront redevelopment near Chicago Riverwalk. The skyline became an icon featured in media about Chicago River, Lake Michigan, and neighboring districts such as North Michigan Avenue and South Loop, affecting tourism tied to institutions like Art Institute of Chicago and events such as Taste of Chicago. Economic and cultural clusters formed around towers with headquarters for corporations like Exelon, Northern Trust, United Airlines (regional), and attracted conventions to McCormick Place, altering land values and prompting infrastructure investments by the Metropolitan Pier and Exposition Authority.
Historic conservation efforts by organizations such as Landmarks Illinois, Chicago Architecture Center, and the Commission on Chicago Landmarks protect structures like the Rookery Building and Marquette Building under ordinances from the Chicago City Council. Zoning codes including the Chicago Zoning Ordinance and initiatives by Daniel Burnham's 1909 plan influence height, setback, and use regulations, while preservation funding from entities like the National Trust for Historic Preservation and grants administered with Illinois Historic Preservation Agency support rehabilitation. Debates involving developers such as Related Midwest and public agencies like the Chicago Department of Planning and Development balance new supertall proposals with district controls around Landmarks Districts and conservation measures championed by advocates including Richard J. Daley-era policies.