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).
Masahisa Fujita Masahisa Fujita (藤田 昌久 , Fujita Masahisa , born 21 July 1943) is a Japanese economist who has studied regional science and Urban economics and International Trade, Spatial Economy (New Economic Geography). He is a professor at Konan University and an adjunct professor at Institute of Economic Research, Kyoto University.