Pop quiz: what do Willis (formerly Sears) Tower and John Hancock Center of Chicago, One Shell Square in New Orleans, U.S. Bank Center in Milwaukee, and the United States Air Force Academy in Colorado all have in common? Fazlur Rahman Khan, a Bangladeshi-American structural engineer without whom the skyscraper may have remained a footnote in history books.
How Tall Can Skyscrapers Get?
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Written by Ashley Hamer September 17, 2017
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