John William Rogan (born 1867/68-died September 12,1905) is one of the 17 known people to have reached the
Tn johnwilliamrogan (4)
great height of 8 feet or more.

.Rogan began to grow very rapidly at the age of 13, leading to ankylosis. Having been able to walk only on crutches, by the age of 15/16, he could not stand or walk. By the age of 21/22, he had grown to a height of 8 ft 6 in (2.59 m) and often appeared in newspapers, referred to as the "Negro giant". Even though Robert Wadlow broke his record,he is still to date the tallest non-white person in the recorded history.