Park Young-seok Born Park Young-seok (1963-11-02)November 2, 1963 Seoul, South Korea Died October 18, 2011(2011-10-18) (aged 47) Annapurna, Nepal Occupation Mountaineer Known for First person to complete the True Explorers Grand Slam Korean name Hangul 박영석 Hanja 朴英碩 Revised Romanization Bak Yeongseok McCune–Reischauer Park Yongsŏk Website parkyoungseok.com