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The Willis Tower, originally and still commonly referred to as the Sears Tower, is a 110-story, 1,451-foot (442.3 m) skyscraper in the Loop community area of Chicago in Illinois, United States. Designed by architect Bruce Graham and engineer Fazlur Rahman Khan of Skidmore, Owings & Merrill (SOM), it opened in 1973 as the world's tallest ...
He was the designer of the Sears Tower, since renamed Willis Tower, the tallest building in the world from 1973 until 1998, and the 100-story John Hancock Center. A partner in the firm Skidmore, Owings & Merrill in Chicago, Khan, more than any other individual, ushered in a renaissance in skyscraper construction during the second half of the ...
Among his most notable buildings are the Inland Steel Building, the Willis Tower (formerly the Sears Tower), and the John Hancock Center. [1] He was also responsible for planning the Broadgate and Canary Wharf developments in London. [2] [3] [4] Architectural historian Franz Schulze called him "the Burnham of his generation." [1] He was a 1993 ...
[2] [3] Sears Tower was the tallest building in the world upon its completion, and remained the tallest building in the United States until May 10, 2013. [4] The second, third, and fourth-tallest buildings in Chicago are the Trump International Hotel & Tower, St Regis Chicago, and the Aon Center, respectively. Of the ten tallest buildings in ...
Another notable SOM engineer is Bill Baker, who is best known as the engineer of Burj Khalifa (Dubai, 2010), the world's tallest man-made structure. To support the tower's record heights and slim footprint, he developed the "buttressed core" [62] structural system, consisting of a hexagonal core reinforced by three buttresses that form a Y shape.
Formerly known, and still commonly referred to, as the Sears Tower. It was the tallest building in the world from 1974 until 1998. It is the third-tallest building in the Western Hemisphere and the 26th-tallest building in the world. [6] [7] 4 111 West 57th Street: New York City United States: 435 m (1,427 ft) 84 2021 Also known as Steinway Tower.
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The Sears, Roebuck and Company Complex is a building complex in the community area of North Lawndale in Chicago, Illinois.The complex hosted most of department-store chain Sears' mail order operations between 1906 and 1993, and it also served as Sears' corporate headquarters until 1973, when the Sears Tower was completed.