Yuángōng 沅公
Tang-period Lèngyán commentator Zīzhōng Yuángōng 資中沅公, identified in Shèng Fúshēng’s 1699 preface to the Lèngyán zhèng-jiàn (KR6j0725) as the source of the Tiāntái-school sānfǎ-sānguān 三法三觀 reading of the Śūraṃgama-sūtra later continued by Gūshān Yuángōng 孤山圓公.