ANANDGHANA, SVAMI, an Udasi sadhii known for the commentaries he wrote on some of the Sikh scriptural texts. Not much biographical detail is available about him, but references in his own works indicate that he was a disciple of Baba Ram Dayal, an Udasi ascetic; also, that he was born into the family of Guru Nanak, tenth in descent from him. Since his first tika, a commentary on the Japu, was completed in 1852 Bk/AD 1795, it may be presumed that he was born around the middle of the eighteenth century. He spent the early years of his life at Dera Baba Nanak where he was born.
BISHAN SINGH, GIANI (1875-1966), cleric and exegete, was a granthi or priest at the Khalsa College at Amritsar for 30 years. The Khalsa College was then a premier Sikh college excelling in research and publication in the field of Sikh studies. Four of the foremost Sikh scholars of this period, namely Bhai Jodh Singh, Prof. Asor Teja Singh, Bhai Sahib Singh and Dr Ganda Singh, were members of the college faculty and between them they brought about a major enlightenment in Sikh letters.
DESU SINGH, BHAI (d. 1781), was the second of the five sons of Bhai Gurbakhsh Singh of the well known Bhai family, deriving its name from the celebrated Bhai Bhagatu, contemporary of three successor Gurus, Guru Arjan, Guru Hargobind and Guru Har Rai. According to Bhai Santokh Singh, Garb Ganjani Tika, Desu Singh was the fifth in the line of Bhai Bhagatu`s descendants. His father, Bhai Gurbakhsh Singh, was a close associate of Ala Singh of Patiala and had carved for himself some territories around Sirhind and Kaithal besides his ancestral possessions in several villages around Bhuchcho, near Bathinda.