heaviest person
Heaviest man. Share. The heaviest person in medical history was Jon Brower Minnoch (USA)(1941â83), who had suffered from obesity since childhood. He was 185 cm (6 ft 1 in) tall and weighed 178 kg (392 lb or 28 st) in 1963, 317 kg (700 lb or 50 st) in 1966 and 442 kg (975 lb or 69 st 9 lb) in September 1976.