Mrs Takata was trained in Reiki by Dr Chujiro Hayashi in Tokyo, Japan and became a Master Practitioner by 1940. Her teacher, Dr Hayashi, had learnt from Dr Mikao Usui, the first teacher of Reiki, in the early 1900s. Identification of training lineage is common amongst Reiki practioners. Within the 7 level system tradition, she is known as, Reiki Grand Master Teacher Hawayo Takata.
^Originally named the American Reiki Association, Inc. and formed by Mrs Takata in the final year of her life, 1980, together with Dr Barbara Weber Ray. It is currently named, The Radiance Technique International Association, Inc. (TRTIA) http://www.trtia.org/
^Dr Barbara Weber Ray is cited here under copyright, http://www.authenticreiki.org/, 2005, explaining a historical perspective of Reiki as informed her by Mrs Tanaka during their training together
^Introductory teaching materials of the Australian based Association of the Original 7 Level System of Reiki Inc. (ASLOR), copyright 2005