Jikido Takasaki, D. Litt. (1926-2013), was a specialist in Indian Buddhism, especially the philosophy of Mahayana Buddhism. After graduating from the University of Tokyo in 1950, he studied at the Bhandarkar Oriental Research Institute at Poona, making a special study of the Ratnagotravibhaga, for which he received a Ph.D. degree in 1959 from the University of Poona. He began his teaching career in 1957 at Komazawa University, Tokyo, and after a period of teaching at Osaka University he eventually gained a professorship at the University of Tokyo in 1977, from where he retired in 1987. His many publications include, in addition to the present work, The Formation of Tathagata Thought (in Japanese), Lectures on the Lankavatarasutra (in Japanese), and An Introduction to Buddhism (in Japanese and English).