Don Koehler

Donald A. Koehler (September 1, 1925 – February 26, 1981) is one of 24 known people in medical history to reach a height of or more. He was generally recognized as the tallest living man in the world from at least 1969 until his death in 1981. At one time, Koehler stood tall, a result of the medical condition gigantism. He was born in Denton, Montana, United States. Koehler and his twin sister were born to parents of taller than average height. Their mother was ; their father was . He started an abnormal period of growth when he was 10 years old. The Guinness Book of World Records confirmed Koehler at a standing height of tall at his peak. His twin sister was for a record difference of between the twins as recognized by Guinness. As a youth, he lived with his family on the north side of Chicago, attending Amundsen High School. Koehler's wore shoes that were size 22, but he once stated that his most bothersome clothing problem was finding socks that fit him. He was later able to find a hosiery company in Pennsylvania that began custom-making socks for him.