Robert Pershing Wadlow (1918 - 1940) was and is the tallest human being ever recorded. He reached 8' 11.1" (272 cm) in height and 490 pounds (222.26 kg) in weight before his death at the age of 22. His height was due to an overactive pituitary gland.

Robert Wadlow was born in Alton, Illinois on February 22 1918. At the time he weighed only 8' 6 ounces (3.8 kg). He attracted attention due to his rapid growth when all his four siblings grew at a more normal speed. At the age of 13 he became the world's tallest Boy Scout with a height of 7'4 (224 cm).

At age 18 his height was 8'4 (254 cm) and he weighed 390 pounds (177 kg). His size 37 shoes cost $100.00 a pair.

At the age of 20 Wadlow signed a contract with the International Shoe Company; he received free shoes in exchange for a promotional tour. He traveled all around the USA with his father. In 1936 he enrolled in Shurtleff College with the intention of studying law.

By 1937 he had exceeded the previous records. However, his size begun to take its toll. He had to keep braces in his feet to walk and had little sensation in them.

On July 4 1940 Wadlow was taken ill in Manistee, Michigan; a faulty brace had caused a blister and bad infection. Doctors treated him with blood transfusions and emergency surgery but his fever got worse. On July 15 1940 he died in his sleep. He was buried in Alton on July 19.

In 1984 his hometown raised a bronze statue in his memory. His family destroyed his belongings lest they become collectables.

Robert Wadlow's growth chart

Age Height
Years 8 : Height 6ft (182 cm)
Years 10 : Height 6ft 6in (198 cm) 220 pounds (100 kg)
Years 14 : Height 7ft 4in (224cm)
Years 16 : Height 7ft 10.5in (240 cm) 365 pounds (166kg)
Years 17 : Height 8ft 1.5in (248 cm) 400 pounds (180 kg)
Years 18: Height 8 ft 4 in (254 cm) 390 pounds (177kg)
Years 22 : Height (on birthday) 8ft9.5in (268 cm) 491 pounds (223kg)
Years 22 : Height (time of death) 8ft 11.1in (272 cm) 490 pounds (222kg)