Swami Sivananda

Sathya Sai Baba with Swami Sivananda in Rishikesh, July 1957.
(Bhagavan Sri Sathya Sai Baba spent one full week in the Ashram
of Swami Sivananda in Rishikesh from 22-7-1957 to 28-7-1957.
There is no record of Bhagavan having visited any other Ashram.)
Swami Satyananda Saraswati, author of numerous books on yoga,
is the successor of Swami Sivananda.