found: Wikipedia, viewed 29 November 2022(Sogyal Rinpoche; Tibetan Dzogchen lama; born Sonam Gyaltsen Lakar in 1947 at Trehor, Kham, Tibet; attended a Catholic school in Kalimpong, India and then studied at Delhi University in India's capital before coming to the West; in 1971, he was granted a place to study comparative religion at Trinity College, Cambridge as a visiting scholar; began to teach in London in 1974 at his centre, a house in Kilburn, originally called Orgyen Chöling, later changed to Dzogchen Orgyen Chöling; in 1979, Sogyal Rinpoche chose the name Rigpa, the innermost, essential nature of mind, for his work; a need had arisen for a place to accommodate larger numbers of people and, to facilitate this, The Rigpa Fellowship, a charitable trust, was founded in 1981 in London; became spiritual director of several centres around the world before retiring on 11 August 2017; died 28 August 2019 in Bangkok, Thailand)