Don Koehler it was a job that spared him from living in any "freak show business". Later in life, he suffered from the medical condition kyphosis, resulting in (often severe) curvature of the spine. Koehler died in 1981 in Chicago from a reported heart condition, by which time he was estimated to be about 239 cm (7'10") tall. He was 55 years old. Don Koehler Donald A. Koehler (September 1, 1925 – February 26, 1981) is one of 17 known people in medical history to reach a height of 8 feet (2.44 m) or more. He was generally recognized as the tallest
Sexual selection in humans Sexual selection in humans Sexual selection in humans concerns the concept of sexual selection, introduced by Charles Darwin as an element of his theory of natural selection, as it affects humans. The role of sexual selection in human evolution has not been firmly established although neoteny has been cited as being caused by human sexual selection. It has been suggested that the human brain is itself a product of sexual selection, i.e. it has developed as a sexual ornamentation to be used in courtship rather than for survival itself, and that it has developed in ways outlined by Ronald Fisher