Sudarshan Singh (b. 13-05-1931) did M.A., Ph.D. and taught History in various Government Colleges/Universities of the state for more than 24 years. He retired as Professor/Director of I.A.S. Training Centre, Punjab University, Patiala. He has devoted himself to the systematic study of the philosophy of life and history of various religious systems, especially the Sikh religion. Besides more than dozen research papers published in reputed journals, he has some scholarly works to his credit including Life-Style of the People of Punjab and Punjab da Itihas(1849-1947)