About Natsuhiko Kyogoku
Natsuhiko Kyogoku is a Japanese mystery writer, who is a member of Ōsawa Office. He is a member of the Mystery Writers of Japan and the Honkaku Mystery Writers Club of Japan. In 1994, Kodansha published his first novel The Summer of the Ubume (姑獲鳥の夏, Ubume no Natsu). As explained above, he has founded a design company before, and after he became a novelist, has been working as a designer too. He has since written many novels, and received two Japanese literary prizes; Kyogoku won the 16th Yamamoto Shūgorō Prize for Nozoki Koheiji (覘き小平次) in 2003, and won the 130th Naoki Prize for Nochi no Kōsetsu Hyaku Monogatari (後巷説百物語) in 2004.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.