Brahmananda Saraswati
Swami Brahmananda Saraswati (IAST: Svāmī Brahmānanda Sarasvatī) (21 December 1871 – 20 May 1953), also known as Guru Dev (meaning "divine teacher"), was the Shankaracharya of the Jyotir Math monastery in India. Born into a Saryupareen Brahmin family, he left home at the age of nine in search of a spiritual master.