Kanemaki Jisai and Sasaki Kojirō were both a what of respective fields of study?
Kanemaki Jisai Kanemaki Jisai (鐘巻 自斎 , c.1536 – 1615) was a master of the Chujō-ryū fighting style. He was a student of Toda Seigen and teacher to Itō Ittōsai (possibly also Sasaki Kojirō).
Toshiro Sasaki Toshiro Sasaki (佐左木 俊郎 , Sasaki Toshirō ) (April 14, 1900 – March 13, 1933) was a Japanese author in the early 20th century. Most of his works have been published through the Aozora Bunko project.