We will take up Hiroshi Kishimoto, an elementary school teacher who has made major theoretical and practical contributions to the educational practice for the formation of basic academic ability after the war, and divide it into five periods from the perspective of life history research.I have clarified the whole picture of my work.In this paper,Kishimoto’s closest teacher is to examine what kind of meaning and value this Kishimoto’s theory and practice of basic academic ability formation had in the subsequent educational practice and educational movement. At the same time, focusing on Itsuki Kubo, who has been self-forming as a teacher under the influence of an educational culture different from Kishimoto,the educational practice of the time of Kyoto Municipal Shinbayashi Elementary School, when Kubo’s practice flourished most. To take up. Then, through the theme of building academic ability,we will try to analyze whether Kubo promoted the school building of Shinbayashi Elementary School as an initiative of the entire faculty and staff group, not as an individual practice.