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).
Hajime Kaneko Hajime Kaneko (兼子 一 , Kaneko Hajime , 1906 – 1973) was a Japanese jurist noted for his contributions to the law of civil procedure.