Pohwan （fl. 1245-1278）， a 13th century Koryo Son scholar monk， known as a specialist in the S/u^ram!gama-su^tra 首楞严经. He wrote two commentaries on that scripture， the Nungomgyong singwa 楞严经新科 （2 fasc. possibly extant） and the Surungomgyong hwanhae pogi 首楞严经环解补记 （2 fasc. extant）.