Masao Haji (土師 政雄, Haji Masao, September 27, 1925 – June 9, 1998) was a Japanese political activist, mathematics lecturer and critic. He also wrote books under the name Ryūsuke Nomi (野見隆介, Nomi Ryusuke). He was chair of mathematics at the correspondence-course "Z-kai", and taught at the three top exam preparation schools (juku): Yoyogi Seminar, Sundai Preparatory School and Kawai Juku Groupwork.
Career
For many years, he was responsible for the "basic mathematics seminar" at Yoyogi exam preparation school. He was a lecturer in Oubun-Sha company's "University entrance exam radio". Oubun-Sha was the author of the "fundamental issues lecture" and "standard issue lecture" series and the author of "training" series of the Zoushin-kai Publishing House, such as Aleph's "Calculus Lab".
He gave counseling to young people, including homeless youth.