Piyadassi Maha Thera

At the age of twenty, he entered the Buddhist monastic order under Pelene Siri Vajiragnana Nayaka Thera, founder of the Vajirarama Bambalapitiya. Later, he received his higher ordination under the tutorship of Vajiranna, founding superior of the Vajirarama Colombo.
Piyadassi Maha Thera was the Sinhala editor at the Buddhist Publication Society until his death. Along with Nyanaponika Thera, he was one of the chief ''kalyāṇamitta'' of American Buddhist scholar and monk Bhikkhu Bodhi.
Venerable Piyadassi Maha Thera lived to the age of 84 years and died on 18 August 1998. Provided by Wikipedia