Matsumoto Keiko was a Japanese translator, mystery writer, and essayist. She also published stories under the pseudonym "Nakano Keisuke" (中野圭介).

Her father was Ito Kazutaka, the first head of the Fisheries Division of the Hokkaido Government. She was the wife of mystery writer and translator Matsumoto Yasushi. The entertainer Nakagawa Shoko is her great-niece once removed (the great-grandchild of her sister).

(Source: Japanese = Wikipedia || Translation = kisskh) Edit Biography