Sanskrit Sutras and tibetan Monks (2500+ years ago) | Dr. Mikao Usui (1870's) | Dr Chirijo Hayashi (1900's) | Mrs Hawayo Takata (1939) | Iris Ishikuro and 21 others (1973-1980) | Arthur Robertson (1982) | Jeanine Sande (1989) | Judith Tripp Chasin (1992) | Yamuna Wynn (1994) | Anne Shelmerdine (1996) | Grenville Williams (2001)