Radha Burnier (née Radha Sri Ram) (November 15, 1923 – October 31, 2013) was the seventh international president of the Theosophical Society (Adyar). Having taken office in 1980, she was the longest standing president of the organization (33 years).
This is a presentation by R. Burnier while in New Zealand:
Listen to the audio presentation: Ever New Theosophy