OCHIAI Hitoshi is a professor of mathematical theology at Doshisha University, Kyoto. He has published extensively in Japanese. All books are written in Japanese, but English translations of the most recent two books (Kantoru—Shingakuteki sūgaku no genkei  カントル 神学的数学の原型 [Cantor: Archetype of theological mathematics], Gendai Sūgakusha, 2011;  and Sūri shingaku o manabu hito no tame ni 数理神学を学ぶ人のために [Those Learning Mathematical Theology], Sekai Shisōsha, 2009) are available from the author at hochiai@mail.doshisha.ac.jp.