High Quality Content by WIKIPEDIA articles! Robert Earl Hughes (b. 4 June 1926 - d. 10 July 1958 in Baylis, Illinois) was, during his lifetime, the heaviest human being recorded in the history of the world. Hughes' excessive weight was attributed to a malfunctioning pituitary gland. His chest was measured at 3.15 metres (10.3 ft), and he weighed an estimated 486 kilograms (1,070 lb) at his heaviest. At the age of six, he weighed about 92 kilograms (200 lb); at ten, he weighed 171 kilograms (380 ...