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Measuring the World's Tallest Man

Sultan Kosen in New York


To qualify as the world's tallest man, Sultan Kosan had to be measured by Guinness three times in a ten hour period.
Sultan Kosen in New York City

Sultan Kosen in New York City

Buck Wolf
Guinness officials say that your height can vary, if every so slightly, over the coarse of a day. A person tends to be tallest in the morning, and then gravity does its work.

In 2009, Kosen became the first person in two decades to be measured at over 8 feet.

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