Hyderabad, Oct. 14 -- Abhijit Sen Gupta

Any first time visitor to Chicago is likely to be overawed by the number of huge skyscrapers which are a prominent feature of the city's skyline. The city has 130 buildings that are more than 150 metres tall. It is remarkable that architects have designed so many huge and heavy structures which have immense strength and stability, not only at the foundation level but all the way to the top. Despite appearing to be long and thin, they have the strength to withstand gales, hurricanes and earthquakes.

But not many people are aware that an architect from Bangladesh named Fazlur Rahman Khan has designed some of the tallest buildings in Chicago which are also among the tallest in the world. According to...