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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 ...
In the 1970s, SOM pioneered a new era of skyscraper design with its work in Chicago, including the John Hancock Center (completed 1970) and Willis Tower (formerly Sears Tower), which became the world's tallest structure upon its completion in 1973 and remained so for more than 20 years.
Read Fast Facts from CNN about Willis Tower, formerly the Sears Tower, located in Chicago. ... Structural height - 1,450 feet or 110 floors. Height with the two antennas - 1,730 feet.
The Sears Tower is now officially the Willis Tower. Willis is a British-based insurance agency that bought the naming rights some months The iconic skyscraper that it once called home.
Dimetric projections of bundled tube structure of the Willis (Sears) Tower and simplified floor plans, by CMG Lee. Width: 100%: Height: 100%
By about 1968, the production of Girder and Panel sets had stopped and did not start up again until about 1974, when Kenner, then owned by General Mills, produced the larger 1,100-piece Sears Tower set #72001 with black girders and panels, which could make a 5-foot-tall (1.5 m) model of the Sears Tower.
The nearly-identical buildings were the tallest in the world until being surpassed by Chicago's Sears Tower in 1973. ... decisions had to be made on what kind of structures would fill the vacant ...
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