110006481956Who was the author of the Mahaprajnaparamitasastra大智度論(T1509)? Traditionally it was believed to be Nagarjuna龍樹, and scholars until fairly recently thought that Kumarajiva鳩摩羅什only modified the text. Currently, however, the opinion that Kumarajiva was himself the author is gaining ground. This opinion is based on circumstantial evidence, though, and is not supported by any textusl evidence. In this paper, I would like to go back to the original view and argue that Nagarjuna was in fact the author, based on textual evidence. There are a number of original ideas in the Sastra, but of these, Pratyutpannabuddhasammukhavasthiasamadhi般舟三眛(Buddhanusmrtisamadhi念仏三眛), in particular, deserves careful attention. The author of the Sastra defi...