When he died in 1921, aged 23, Coyne measured 8 ft 2 in, although according to some sources, he could have been as tall as 8 ft 4 in. Regardless, Coyne is one of only a handful of people in recorded medical history taller than 8 feet. His life was, however, tragically cut short in his early twenties. Coyneâs official cause of death was hardening of the liver and glandular fever. He was buried in his hometown in a custom-built coffin.