Kunio Nakagaki (中垣 國男, Nakagaki Kunio; 24 June 1911 – 2 April 1987) was a Japanese Minister of Justice. He was a pro-death penalty activist and approved the executions of 33 people, including Matsuo Fujimoto and Ri Chin'u, who became the basis for the film Death by Hanging. On 11 September 1962, he commanded Fujimoto's execution and he was executed three days after. He also attempted to execute Sadamichi Hirasawa, but failed. Hirasawa was not executed, and died on 10 May 1987.
Source: “Kunio Nakagaki”, English Wikipedia (CC BY-SA 4.0), excerpt