SIZE MATTERS Tallest teenager ever Robert Wadlow By the age of 17, Robert Wadlow (USA, 1918–40) had grown to a height of 245 cm (8 ft 0.5 in). Robert Pershing Wadlow (USA, 1918–40) was found to be 272 cm (8 ft 11.1 in) tall when last measured on 27 Jun 1940. He remains the tallest man in medical history for whom there is irrefutable evidence. The tallest teenager ever (female) Anna Haining Swan (CAN, 1846–88), whose height peaked at 241.3 cm (7 ft 11 in) when she was 17. On 17 Jun 1871, Anna married Martin van Buren Bates, who stood 236.22 cm (7 ft 9 in) tall. Largest hands on a teenager The right hand belonging to Mathu-Andrew Budge (UK, b. 28 Dec 2001) is 22.5 cm (8.85 in) long from the wrist to the tip of the middle finger, while his left is 22.2 cm (8.74 in). He was measured on 13 Feb 2018 in London, UK, aged 16 years 47 days. Mathu-Andrew also has the largest feet on a teenager (male). His left foot is 32.95 cm (12.97 in) long, and his right 32.