Prof. R.K. Sharma (b. 1932) Professor and Head of the Department of Ancient Indian History, Culture and Archaeology and Dean, Faculty of Social Sciences, University of Jabalpur retired in 1992. His contributions to the cause of Indian Archaeology in general and Archaeology of Madhya Pradesh in particular are widely acclaimed. His prestigious publications include: Madhya Pradesh Ke Puratattva Ka Sandarbha Granth (Bhopal, 1974); The Temple of Chaunsatha Yogini at Bheraghat (Delhi, 1978); Art of the Paramaras of Malwa (Ed.) (Delhi, 1979); The Kalachuris and their Times (Delhi, 1980); Indian Archaeology?New Perspectives (Ed.) (Delhi, 1982); Archaeology of Bhopal Region (Delhi, 1980); Rock-Art of India (Ed.) (Delhi, 1983); Vajapeya?Essays on Evolution of Indian Art and Culture (Prof. K.D. Bajpai Fel. Vol.) (Ed.) (Delhi, 1987); Studies in Shell Script (Ed.) (Delhi, 1990); Art of Kalachuris (Ed.) (Bhopal, 1991); Excavations at Kakrehta (Delhi, 1992); Krsna Smriti (Prof. K.D. Bajpai Comm. Vol.) (Ed.) (Delhi, 1995); Prehistoric Art in India (Dr. S.K. Pandey Fel. Vol.) (Ed.) (Delhi, 1996); Kalachuri: Rajvansh Aur Unka Yug, 2 vols. (Ed.) (Delhi, 1998); and Encyclopaedia of Art, Archaeology and Literature in Central India, 2 vols. (Ed.) (Delhi, 1998); A series of other publications are in process. Dr. Shiv Kumar Tiwari (b. 1941) holds the post of Head of the Department of Tribal Studies in Rani Durgavati University, Jabalpur. A prolific writer, Dr. Tiwari has so far authored more than two dozen books in diverse academic fields. Encyclopaedia of Indian Tribals, Antiquity of Indian Tribes and Tribal Roots of Hinduism are some of his recent works. Besides, Dr. Tiwari has written many research papers, general articles and monographs. He has so far directed six Research Projects funded by U.G.C., I.C.S.S.R. and Madhya Pradesh Council of Science and Technology and the Ministry of Forest and Environment, Government of India.