Hiroyuki Itsuki (Japanese: 五木 寛之, born September 30, 1932) is a Japanese novelist, essayist and lyricist, best known in Japan by his novel The Gate of Youth and in the English-speaking world by Tariki: Embracing Despair, Discovering Peace.
Source: “Hiroyuki Itsuki”, English Wikipedia (CC BY-SA 4.0), excerpt