Koshi Kurumizawa was the pen-name of a writer of detective fiction in Shōwa period Japan. His real name was Shimizu Masatarō. Wikipedia
Born: April 26, 1925, Sumida City, Tokyo, Japan
Died: March 22, 1994 (age 68 years), Yokohama-Minami Kyosai Hospital, Yokohama, Kanagawa, Japan
Movies: Ojôsan tantei Tokimeki renpatsu! and Hit Parade