The monk Liao Jue (了觉) and his disciple Shi Tan (师坦) were active during the Northern Song Dynasty. Liao Jue is known for his commentaries on the Lotus Sutra, and Shi Tan for his translations, though specific titles are not readily available.
Recorded Sayings of Chan Master Shitian Faxun (石田法薰禪師語錄)