He was one of the pioneer monks of the Buddhist revivalist movement in the 19th century Sri Lanka. The service rendered by him to the Buddhist Education is unparalleled. He was the founder of Vidyodaya Pirivena Maligakanda.

The Ven. Sri Sumangala was born on 20^th January 1827 at Hikkaduwa, in the Galle District. He was the 5^th in the family. His Father was Mr. Don Johanis Abeyweera Gunawardhana. The name given to him by birth was Niculas. He received his primary Education from the village's Temple.

At the age of 13 he entered the Sasana at Totagamuwa Temple. From his childhood he was an eloquent speaker, and a very good writer. In 1848 he obtained higher Ordination from the Malwatte Chapter, Kandy.

He was well versed in Sinhala, Pali, Sanskrit, English, Buddhism, History, Arithmetic, and Archaeology. He received his education from Parama Dhamma Cetiya Pirivena Ratmalana, under the guidance of Ven. Walane Sri Siddhartha Maha Thera. The Ven. Ratmalane Dharmaloka Thera was one of his contemporaries. As an erudite monk he has written many books. He was the main source for the success of the Panadura debate held in 1873. It was after reading the report of this debate that Col. Henry Steele Olcott came to Sri Lanka. He learnt Buddhism and Pali under the Ven. Sumangala Thera and together with him the Thera Ven. Hikkaduwa Sri Sumangala established the Ananda College, Colombo (1890), Mahinada College, Galle (1892) and Dharmaraja College, Kandy, for Buddhist Education.

The paper "Lankaloka" was started by Ven. Thera himself and afterwards he assisted in many ways to publish papers like "Sarasavisandaresa" and "Sinhala Bauddhaya". Awarded by many titles he was honoured not only by Sri Lankans but also by the people of Ireland, Italy, Hungeria, and many other countries in the East and the West. He was appointed as the Head of the Sripada (Adam's peak), the holy mountain of Sri Lanka. This Ven. Maha Nayaka Thera, Ven. Sri Sumangala passed way on 29^th of April 1911.