日本大学
Born in Hokkaidō, Mori graduated from the College of Humanities and Sciences of the Nihon University in 1969 and graduated from the Graduate School of Literatures of the Nihon University in 1971. Getting the academic degree Doctor of Medicine, he became a professor of the Nihon University, though he toured the Rockefeller University as a researcher and the Queen's University as a visiting scholar before that.