Ryuzo Saki was born on April 14, 1937, and died on October 31, 2015 from throat cancer.
Ryuzo was a Japanese novelist and non-fiction writer, born in North Hamgyong, a province of what is now North Korea.
He was interested in high-profile crimes in Japan and published a number of non-fiction books about Japanese crimes.
On January 14, 1976, Ryuzo was awarded the Naoki Prize for the novel Vengeance Is Mine based on Japanese serial killer Akira Nishiguchi.
The novel became the basis of Shohei Imamura’s film Vengeance Is Mine.
Ryuzo also wrote the books about Norio Nagayama, Tsutomu Miyazaki, Fusako Sano and Futoshi Matsunaga.
In 1992, Ryuzo published a book about Japanese Resident-General of Korea Ito Hirobumi and Korean An Jung-geun, titled Ito Hirobumi to An Jung-geun.
On November 1, 2015, Ryuzo Saki passed away from throat cancer in Kitakyūshu at age 78.