Koshi Kurumizawa

Koshi Kurumizawa
Kurumizawa Kōshi
Born26 April 1925
Sumida, Tokyo, Japan
Died23 May 1994 (aged 69)
Tokyo, Japan
OccupationWriter
GenreNovels

Masatarō Shimizu (清水 正二郎, Shimizu Masatarō; 26 April 1925 – 23 May 1994), known by his pen name Koshi Kurumizawa (胡桃沢 耕史, Kurumizawa Kōshi), was a Japanese writer of detective fiction during the Shōwa era.