(collected by many sources on the web)
1. T.K. Sundaresa Iyer : discovering the Power of Silence.
2. Kunju Swami : many years at the feet of Ramana Maharshi.
3. G.V. Subbaramaya : "As it came, so it will go".
4. Dr. Lt.Col. P.V. Karamchandani : the wonderful experience of a doctor.