Mahasi Sayadaw
Mahāsī Sayādaw U Sobhana (Burmese: မဟာစည်ဆရာတော် ဦးသောဘန, pronounced [məhàsì sʰəjàdɔ̀ ʔú θɔ́bəna̰]; 29 July 1904 – 14 August 1982) was a Burmese Theravada Buddhist monk and meditation master who had a significant impact on the teaching of Vipassana (insight) meditation in the West and throughout Asia. In his style of practice, derived from the so-called New Burmese Method of U Nārada, the meditator lives according to Buddhist morality as a prerequisite for meditation practice.