sentences:  Nan's Dharma name was "Tōngchán" (通禪).Following the revolution in China, Nan later moved to Taiwan in 1949 where he became a well-known university professor and author, teaching at National Chengchi University, Chinese Culture University, and Fu Jen Catholic University.His first book, "The Sea of Chan" (禪海蠡測), was published in 1955, and was the first in a line of over 40 books and related materials published in his name.