Johann Petursson, was born in Dalvík, Iceland on 9 February 1913 and was known as "The Viking Giant", and as "Jóhann Risi" (Johann the Giant) and "Jóhann Svarfdælingur" (Johann from Svarfaðardalur) in his native country of Iceland. He had a normal development till the age of 15 after which accelerated growth occurred. At the age of 17 he was very strong and could lift a lorry, but at the age of 20 he was weak and suffered from walking difficulties.
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