Haruo Sato (佐藤 春夫, Satō Haruo; 9 April 1892 – 6 May 1964) was a Japanese novelist and poet active during the Taishō and Shōwa periods of Japan. His works are known for their explorations of melancholy. He won the 4th Yomiuri Prize.
Source: “Haruo Satō (novelist)”, English Wikipedia (CC BY-SA 4.0), excerpt