Helena Rakoczy ( née Krzynówek ) , also Rákóczy or Rákóczi ( 23 December 1921 -- 2 September 2014 ) was a world champion Polish gymnast .
Helena Rakoczy ( née Krzynówek ; 23 December 1921 -- 2 September 2014 ) , also Rákóczy or Rákóczi , was a Polish gymnast .